Nashua, NH Weather Forecast

Local 7-day forecast

46°
F

Light Rain Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Nashua, NH in one place.

Friday, May 15, 2026
Wind: 5 mph NE
Overnight

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 7-day forecast

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
Next High
57°F
Friday
Next Low
46°F
Overnight
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
May 15
Light Rain then Scattered Rain Showers
57 °F
/ 46°F
Wind 5 mph
Sat
May 16
Sunny
76 °F
/ 56°F
Wind 5 to 10 mph
Sun
May 17
Sunny
83 °F
/ 53°F
Wind 5 to 10 mph
Mon
May 18
Mostly Sunny
76 °F
/ 56°F
Wind 0 to 5 mph
Tue
May 19
Sunny
90 °F
/ 63°F
Wind 5 to 10 mph
Wed
May 20
Mostly Sunny then Chance Rain Showers
88 °F
/ 57°F
Wind 5 to 10 mph
Thu
May 21
Slight Chance Rain Showers
75 °F
Wind 5 mph

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 source

Extended Forecast

Friday
May 15
57°F
Light Rain then Scattered Rain Showers
5 mph NE

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.

Friday Night
May 15
45°F
Partly Cloudy
0 to 5 mph NW

Partly cloudy, with a low around 45. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday
May 16
76°F
Sunny
5 to 10 mph SW

Sunny, with a high near 76. Southwest wind 5 to 10 mph.

Saturday Night
May 16
56°F
Partly Cloudy
5 to 10 mph SW

Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph.

Sunday
May 17
83°F
Sunny
5 to 10 mph W

Sunny, with a high near 83.

Sunday Night
May 17
53°F
Mostly Clear
0 to 10 mph NW

Mostly clear, with a low around 53.

Monday
May 18
76°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 76.

Monday Night
May 18
56°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 56.

Tuesday
May 19
90°F
Sunny
5 to 10 mph SW

Sunny, with a high near 90.

Tuesday Night
May 19
63°F
Partly Cloudy
5 to 10 mph SW

Partly cloudy, with a low around 63.

Wednesday
May 20
88°F
Mostly Sunny then Chance Rain Showers
5 to 10 mph W

A chance of rain showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Wednesday Night
May 20
57°F
Chance Rain Showers
5 to 10 mph W

A chance of rain showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

Thursday
May 21
75°F
Slight Chance Rain Showers
5 mph W

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
Nashua NH Main Street 50
Nashua NH Main Street 50 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.