NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit New Boston, NH
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
44 tropical systems have passed within 75 miles of New Boston, New Hampshire since 1851, 7 of them at hurricane strength; the most recent was Elsa in 2021. Since 1950, 31 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.
- Hurricanes
- 7
- Tropical storms
- 37
- Tornadoes
- 31
- EF3 or stronger
- 1
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
1 deaths in all
What the records show for New Boston
The strongest storm to pass near New Boston was an unnamed storm in 1869, a Category 2 hurricane with 104 mph winds when its centre passed 75 miles away. The closest pass by a hurricane was Gloria in 1985, whose centre came within 12 miles. The record near New Boston begins with an unnamed storm in 1851; the most recent system was Elsa in 2021, a tropical storm 72 miles away. The busiest decade was the 1890s, with 6 systems. Of the 44 systems, 5 have come since 2000. New Boston has more hurricanes within 75 miles than 88% of the 142 New Hampshire cities on this site. The strongest of the 31 tornadoes within 25 miles was an F3 on May 20, 1963; its path came within 14 miles. The deadliest, an EF2 on July 24, 2008, killed 1 person. Of the 31, 2 had paths within 5 miles of the city centre, and 5 have come since 2000. July has had the most tornadoes, 17. The most recent tornado was on June 23, 2024. New Boston has more tornadoes within 25 miles than 64% of the 142 New Hampshire cities. Hail has been reported within 10 miles 36 times since 1963, with stones up to 1.5 inches (ping pong ball size). Of the 142 New Hampshire cities, 58% have more hail reports within 10 miles than New Boston.
Compare New Boston's storm record with another city →
Tropical storms and hurricanes near New Boston
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2021 | ElsaJul 9 | 72 mi | Tropical storm (51 mph) | Category 1 |
| 2013 | AndreaJun 8 | 75 mi | Tropical storm (46 mph) | Tropical storm |
| 2011 | IreneAug 28 | 52 mi | Tropical storm (55 mph) | Category 3 |
| 2008 | HannaSep 7 | 61 mi | Tropical storm (52 mph) | Category 1 |
| 2007 | BarryJun 5 | 57 mi | Tropical storm (39 mph) | Tropical storm |
| 1999 | FloydSep 17 | 26 mi | Tropical storm (54 mph) | Category 4 |
| 1996 | BerthaJul 14 | 37 mi | Tropical storm (68 mph) | Category 3 |
| 1991 | BobAug 19 | 65 mi | Category 1 (84 mph) | Category 3 |
| 1985 | GloriaSep 27 | 12 mi | Category 1 (77 mph) | Category 4 |
| 1979 | DavidSep 6 | 73 mi | Tropical storm (48 mph) | Category 5 |
| 1976 | BelleAug 10 | 44 mi | Tropical storm (40 mph) | Category 3 |
| 1971 | DoriaAug 28 | 31 mi | Tropical storm (53 mph) | Tropical storm |
| 1968 | Unnamed 1968 stormSep 11 | 44 mi | Tropical storm (56 mph) | Tropical storm |
| 1961 | Unnamed 1961 stormSep 15 | 23 mi | Tropical storm (67 mph) | Tropical storm |
| 1960 | DonnaSep 12 | 28 mi | Tropical storm (69 mph) | Category 4 |
| 1960 | BrendaJul 30 | 7 mi | Tropical storm (46 mph) | Tropical storm |
| 1954 | CarolAug 31 | 12 mi | Category 1 (94 mph) | Category 3 |
| 1949 | Unnamed 1949 stormAug 29 | 69 mi | Tropical storm (52 mph) | Category 4 |
| 1944 | Unnamed 1944 stormSep 15 | 70 mi | Category 1 (74 mph) | Category 5 |
| 1938 | Unnamed 1938 stormSep 21 | 69 mi | Category 1 (79 mph) | Category 5 |
| 1934 | Unnamed 1934 stormSep 9 | overhead | Tropical storm (46 mph) | Category 2 |
| 1924 | Unnamed 1924 stormOct 1 | 74 mi | Tropical storm (63 mph) | Category 1 |
| 1923 | Unnamed 1923 stormOct 19 | 24 mi | Tropical storm (48 mph) | Tropical storm |
| 1916 | Unnamed 1916 stormJul 21 | 61 mi | Tropical storm (55 mph) | Category 2 |
| 1916 | Unnamed 1916 stormMay 17 | 30 mi | Tropical storm (58 mph) | Tropical storm |
| 1915 | Unnamed 1915 stormAug 5 | 68 mi | Tropical storm (40 mph) | Category 1 |
| 1908 | Unnamed 1908 stormMay 31 | 37 mi | Tropical storm (40 mph) | Category 1 |
| 1902 | Unnamed 1902 stormJun 17 | 53 mi | Tropical storm (40 mph) | Tropical storm |
| 1899 | Unnamed 1899 stormNov 1 | 40 mi | Tropical storm (52 mph) | Category 2 |
| 1897 | Unnamed 1897 stormSep 24 | 37 mi | Tropical storm (44 mph) | Tropical storm |
| 1896 | Unnamed 1896 stormSep 10 | 59 mi | Tropical storm (59 mph) | Category 3 |
| 1894 | Unnamed 1894 stormOct 10 | 18 mi | Tropical storm (60 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 29 | 27 mi | Tropical storm (60 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 57 mi | Tropical storm (68 mph) | Category 3 |
| 1888 | Unnamed 1888 stormSep 12 | 62 mi | Tropical storm (40 mph) | Tropical storm |
| 1888 | Unnamed 1888 stormAug 22 | 65 mi | Tropical storm (48 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 24 | 7 mi | Tropical storm (59 mph) | Category 2 |
| 1874 | Unnamed 1874 stormSep 30 | 15 mi | Tropical storm (69 mph) | Category 1 |
| 1869 | Unnamed 1869 stormOct 4 | 75 mi | Category 2 (104 mph) | Category 2 |
| 1869 | Unnamed 1869 stormSep 9 | 32 mi | Category 1 (92 mph) | Category 3 |
| 1861 | Unnamed 1861 stormNov 3 | 41 mi | Tropical storm (58 mph) | Category 1 |
| 1861 | Unnamed 1861 stormSep 28 | 24 mi | Tropical storm (58 mph) | Category 1 |
| 1858 | Unnamed 1858 stormSep 16 | 22 mi | Tropical storm (72 mph) | Category 2 |
| 1851 | Unnamed 1851 stormOct 19 | 68 mi | Tropical storm (46 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in New Boston: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of New Boston
By decade
- 2020s2
- 2010s2
- 2000s1
- 1990s2
- 1980s2
- 1970s6
- 1960s13(1 EF3+)
- 1950s3
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 20, 1963 | F3 | 14 mi | 14 mi | 0 / 0 |
| Jul 24, 2008 | EF2 | 23 mi | 50.46 mi | 1 / 2 |
| May 31, 1998 | F2 | 13 mi | 0.5 mi | 0 / 0 |
| Jul 3, 1997 | F2 | 8 mi | 2 mi | 0 / 0 |
| Jul 21, 1972 | F2 | 25 mi | 7.6 mi | 0 / 4 |
| Jul 17, 1968 | F2 | 12 mi | 0.1 mi | 0 / 0 |
| Jun 9, 1963 | F2 | 10 mi | 10 mi | 0 / 0 |
| Jul 2, 1961 | F2 | 24 mi | 5.1 mi | 0 / 1 |
| Jul 2, 1961 | F2 | 8 mi | 2 mi | 0 / 0 |
| Jun 23, 2024 | EF1 | 18 mi | 3.36 mi | 0 / 0 |
| Jul 27, 2023 | EF1 | 19 mi | 12.65 mi | 0 / 0 |
| May 4, 2018 | EF1 | 21 mi | 37.55 mi | 0 / 0 |
The strongest 12 of 31, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in New Boston
The Storm Prediction Center has 36 hail reports within 10 miles of New Boston since 1963, made on 27 separate days. Of these, 20 were 1 inch across or larger, and none reached 2 inches. The largest, 1.5 inches (ping pong ball size), fell on May 22, 2022. The most recent report is from August 13, 2025. July has the most reports, 10.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in New Boston
The nearest NOAA station with 1991–2020 climate normals is Milford, NH, 10 miles south of New Boston at 320 feet. July is the warmest, with an average high of 83°F and low of 60°F; January is the coolest, at 33°F and 14°F. October is the wettest at 4.9 inches of precipitation on average and January and February the driest at 3.0 inches; the year adds up to 46.1 inches over 80 days with at least a tenth of an inch. June to November, the hurricane season months, bring 52% of the year's precipitation (24.2 of 46.1 inches); the other six months are drier. September has brought the most of the 44 tropical systems that passed within 75 miles (17); a normal September there has highs of 73°F and 4.0 inches of precipitation. Highs reach 90°F on about 11 days a year, almost all from June to August. Lows fall below freezing on about 159 nights a year. Snowfall averages 57.4 inches a year, most of it in January. That 46.1 inches is more than at 19 of the 39 New Hampshire stations used on this site (49%). Weare, 7 miles north, has its own station (Concord Municipal Airport, NH): 41.9 inches a year, 4.2 less than here, and the same July average high, 83°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 33 | 14 | 3.0 | 7 | 15.4 |
| Feb | 36 | 15 | 3.0 | 6 | 11.5 |
| Mar | 45 | 24 | 3.8 | 7 | 14.4 |
| Apr | 58 | 34 | 4.2 | 7 | 2.3 |
| May | 69 | 45 | 3.4 | 8 | 0.0 |
| Jun | 78 | 55 | 4.0 | 7 | 0.0 |
| Jul | 83 | 60 | 3.7 | 6 | 0.0 |
| Aug | 81 | 58 | 3.7 | 6 | 0.0 |
| Sep | 73 | 50 | 4.0 | 7 | 0.0 |
| Oct | 60 | 38 | 4.9 | 6 | 0.1 |
| Nov | 49 | 28 | 3.9 | 6 | 1.1 |
| Dec | 38 | 20 | 4.5 | 7 | 12.6 |
| Year | 59 | 37 | 46.1 | 80 | 57.4 |
Averages for 1991–2020 at Milford, NH (320 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near New Boston
Since 1996, the National Weather Service has logged 95 flood, rain, thunderstorm wind and lightning events that began within 10 miles of New Boston: 78 thunderstorm wind reports, 11 floods, 5 flash floods and 1 lightning strike. They killed 1 person and injured 0, and the NWS estimated $582,000 in property and crop damage. The strongest thunderstorm gust on record here was 82 mph, on July 6, 1999. Of the 141 New Hampshire cities on this site with a flash flood on record, 39 have had fewer than New Boston.
July 6, 1999: thunderstorm wind 8 miles from the centre of New Boston — 1 killed.
August 4, 2012: lightning strike 10 miles from the centre of New Boston — $170,000 damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Hillsborough County, which includes New Boston, has been named in 31 federal disaster or emergency declarations since 1973, 19 of them major disasters (by incident: 13 severe storms, 6 snowstorms, 5 floods, 4 hurricanes). The latest major disaster declaration was Covid-19 Pandemic, on April 3, 2020. FEMA's National Risk Index gives Hillsborough County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for strong wind and lightning; Relatively Moderate for hurricanes, tornadoes and inland flooding; Relatively Low for hail and heat waves. It models the county's expected loss from all 18 hazards it covers at $120.3 million a year, the highest of 10 New Hampshire counties; of the hazards above, the largest share, $76.4 million (63%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.