Manchester, New Hampshire Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Manchester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Rain70%0.42″77°62°—
- TuesdayJun 16Mostly Clear——76°55°-1°
- WednesdayJun 17Drizzle10%—77°56°+1°
- ThursdayJun 18Thunderstorm64%0.11″80°59°+3°
- FridayJun 19Overcast32%—80°61°0°
- SaturdayJun 20Overcast11%—72°58°-8°
- SundayJun 21Overcast14%—77°54°+5°
AQI 45 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 8.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 22
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:01 AM
- Moonset
- 8:43 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Manchester at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Manchester
- Mon77°62°70%
- Tue76°55°1%
- Wed77°56°10%
- Thu80°59°64%
- Fri80°61°32%
- Sat72°58°11%
- Sun77°54°14%
- Mon71°50°22%
- Tue73°49°24%
- Wed81°51°15%
- Thu82°55°22%
- Fri85°55°39%
- Sat75°59°34%
- Sun78°65°29%
- Mon99°67°29%
- Tue92°69°24%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Manchester
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · June 11–15
Solstice approaches — longest light
Sunrise before 5:30 AM; sunset nearly 8:30 PM.
Day 166 of 365 · Wedge 33 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Manchester peaks at about 71°F in July and bottoms near 22°F in January; October brings the heaviest rain (4.4 inches) and January the least (2.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 22° | 2.7″ | 7 |
| February | 25° | 2.7″ | 6 |
| March | 33° | 3.2″ | 6 |
| April | 46° | 3.5″ | 7 |
| May | 57° | 3.4″ | 8 |
| June | 66° | 4.3″ | 8 |
| July | 71° | 3.6″ | 7 |
| August | 69° | 3.7″ | 6 |
| September | 62° | 3.9″ | 6 |
| October | 50° | 4.4″ | 7 |
| November | 39° | 3.5″ | 7 |
| December | 29° | 3.8″ | 7 |
Regional context
In Manchester, NOAA NCEI 1991-2020 normals put January near 22°F and July near 71°F — a 49°F seasonal arc — with about 42.5 inches of precipitation over 81 rainy or snowy days.
No season owns Manchester's rain: October reaches 4.4 inches across 6.6 days and January keeps 2.7 inches on 6.6, an even spread through Manchester's year. It is a balanced pattern Manchester shares with places like South Hooksett, NH, Pinardville, NH and East Merrimack, NH.
Manchester reaches its last hard frost near late-May; that is the cue for kale, peas, spinach, and parsnips. Manchester's heat-lovers — tomatoes, peppers, squash — hold off until Manchester's frost risk clears, 10-14 days on. By early-October, frost is back in Manchester — protect or harvest anything tender. A creek-bottom lot in Manchester can lag Manchester's last frost 7-10 days behind a south slope.
Similar climates: South Hooksett, NH, Pinardville, NH, East Merrimack, NH, Klondike Corner, NH, Suncook, NH.
Naturalist notes
Sugar maples begin their spring leaf-out in late May as soil temperatures warm consistently above 50°F.
American robins typically arrive from their southern wintering grounds in mid-March, marking one of the first reliable signs of spring's approach.
Frequently asked
- When does it freeze in Manchester?
- Manchester's last spring frost lands near mid-May, and in Manchester the first fall frost follows around mid-October.
- What is the rainy season in Manchester?
- Manchester sees its heaviest rain in October (around 4.4 inches), part of roughly 43 inches a year.
- What is the warmest month in Manchester?
- July is Manchester's warmest month, averaging about 71°F.
- What is the coldest month in Manchester?
- Manchester bottoms out in January, with a mean near 22°F.
- When can I start a vegetable garden in Manchester?
- Frost-hardy sowings begin at mid-May in Manchester; warm-season starts follow two weeks on.
- How many rainy days does Manchester get?
- Manchester averages about 81 days with measurable rain or snow each year.
- What hardiness zone is Manchester?
- Manchester's hardiness zone tracks its winter low; with January near 22°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Manchester?
- Manchester's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Manchester?
- See this week's day-by-day rain chances for Manchester in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Manchester?
- Current conditions for Manchester and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Manchester forecast updated?
- The Manchester forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Manchester?
- Day length in Manchester peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
- How accurate is the weather forecast for Manchester?
- The next few days in Manchester's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Manchester, New Hampshire occupies a warm-summer humid continental zone, with January means near 22°F and July around 71°F — a 49°F swing.
Manchester sees close to 43 inches of precipitation annually, falling across some 81 wet days.
The 49°F gap between Manchester's summer and winter, at 43.0°N, shapes Manchester's frost calendar.
ZIP codes in Manchester
- 03109
- 03104
- 03101
- 03103
- 03102
- 03105
- 03108
- 03111