Manchester, NH Weather
Manchester hourly forecast: next 24 hours
Today's high of 82°F (28°C) is right in line with the typical August high of 82°F (28°C).
Current conditions in detail
Manchester weather tomorrow (Monday, August 17)
Tomorrow in Manchester looks mist, with a high of 66° and an overnight low of 61°. There is a 92% chance of rain - plan accordingly. Winds top out near 8 mph, and the UV index reaches 1 (low).
Manchester 14-day forecast
About the weather in Manchester
Manchester has a humid continental climate, marked by warm summers and cold, often snowy winters. Average daytime highs range from about 34°F (1°C) in January to around 84°F (29°C) in July, and the city records roughly 123 days of measurable precipitation a year.
Manchester weather: quick facts
- Hottest month: July - highs near 84°F (29°C)
- Coldest month: January - highs near 34°F (1°C)
- Record high: 100°F (38°C) · Record low: -19°F (-28°C) (2015–2024)
- Wettest month: December (11 rainy days) · Sunniest: July (11.2 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 21 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 84°F (29°C) and overnight lows stay near 64°F (18°C). The coolest month is January, with typical highs of 34°F (1°C) and lows around 18°F (-8°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as -19°F (-28°C).
Rain, sun and snow
December is usually the wettest month. It brings about 4.6 inches (116 mm) of rain over 11 days, while May is the driest. July brings the most sunshine, averaging 11.2 hours of sun a day. Snow falls on about 21 days in a typical year, mostly from November through April.
Season by season
Spring (March through May)
Spring in Manchester is crisp but comfortable, with daytime highs averaging 56°F (13°C) and nights around 37°F (3°C); expect showers on roughly 32 days across the season, plus around 5 snowy days.
Summer (June through August)
Summer in Manchester runs hot, with daytime highs averaging 81°F (27°C) and nights around 62°F (16°C); expect showers on roughly 34 days across the season.
Fall (September through November)
Fall in Manchester is mild, with daytime highs averaging 61°F (16°C) and nights around 45°F (7°C); expect showers on roughly 27 days across the season.
Winter (December through February)
Winter in Manchester is frigid, with daytime highs averaging 37°F (3°C) and nights around 20°F (-6°C); expect showers on roughly 31 days across the season, plus around 15 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Manchester by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 34° | 18° | 10 | 3.7 in | 6.0 h/day | 68% |
| February | 37° | 18° | 10 | 3.0 in | 6.8 h/day | 69% |
| March | 44° | 26° | 10 | 3.7 in | 7.9 h/day | 66% |
| April | 55° | 36° | 12 | 4.0 in | 8.2 h/day | 68% |
| May | 69° | 48° | 10 | 2.7 in | 10.0 h/day | 67% |
| June | 78° | 57° | 11 | 3.6 in | 10.9 h/day | 68% |
| July | 84° | 64° | 11 | 4.3 in | 11.2 h/day | 70% |
| August | 82° | 63° | 11 | 3.8 in | 10.7 h/day | 73% |
| September | 74° | 56° | 9 | 3.8 in | 9.0 h/day | 75% |
| October | 62° | 45° | 9 | 4.4 in | 7.2 h/day | 77% |
| November | 48° | 33° | 9 | 3.1 in | 6.5 h/day | 72% |
| December | 39° | 25° | 11 | 4.6 in | 5.6 h/day | 73% |