Nashua, NH Weather Forecast
Local 7-day forecast
Light Rain Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Nashua, NH in one place.
Rain likely before 4am, then rain likely and areas of fog. Cloudy, with a low around 46. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Nashua, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 15, 2026 4:06 AM EDT.
The active forecast window currently covers May 15 to May 21, 2026 for Nashua, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 15 to May 21, 2026
- Latest sync
- May 15, 2026 4:06 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Nashua
Tuesday looks like the warmest upcoming period in Nashua at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 15, 2026 4:06 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain and areas of fog before 11am, then scattered rain showers between 11am and 5pm. Cloudy, with a high near 57. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly cloudy, with a low around 45. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 76. Southwest wind 5 to 10 mph.
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph.
Sunny, with a high near 83.
Mostly clear, with a low around 53.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 56.
Sunny, with a high near 90.
Partly cloudy, with a low around 63.
A chance of rain showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of rain showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 15
|
Light Rain Likely
|
46°F |
5 mph
NE
|
|
Friday
May 15
|
Light Rain then Scattered Rain Showers
|
57°F |
5 mph
NE
|
|
Friday Night
May 15
|
Partly Cloudy
|
45°F |
0 to 5 mph
NW
|
|
Saturday
May 16
|
Sunny
|
76°F |
5 to 10 mph
SW
|
|
Saturday Night
May 16
|
Partly Cloudy
|
56°F |
5 to 10 mph
SW
|
|
Sunday
May 17
|
Sunny
|
83°F |
5 to 10 mph
W
|
|
Sunday Night
May 17
|
Mostly Clear
|
53°F |
0 to 10 mph
NW
|
|
Monday
May 18
|
Mostly Sunny
|
76°F |
0 to 5 mph
SE
|
|
Monday Night
May 18
|
Partly Cloudy
|
56°F |
5 mph
S
|
|
Tuesday
May 19
|
Sunny
|
90°F |
5 to 10 mph
SW
|
|
Tuesday Night
May 19
|
Partly Cloudy
|
63°F |
5 to 10 mph
SW
|
|
Wednesday
May 20
|
Mostly Sunny then Chance Rain Showers
|
88°F |
5 to 10 mph
W
|
|
Wednesday Night
May 20
|
Chance Rain Showers
|
57°F |
5 to 10 mph
W
|
|
Thursday
May 21
|
Slight Chance Rain Showers
|
75°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Nashua.