Thornton, NH Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Thornton, NH in one place.
Showers and thunderstorms. Cloudy, with a high near 75. South wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Thornton, 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: Aug 2, 2026 7:38 PM EDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Thornton, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 7:38 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Thornton
Thursday looks like the warmest upcoming period in Thornton at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 7:38 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 5am. Partly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 59.
A slight chance of rain showers between 1pm and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
A slight chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of rain showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of rain showers before 10pm. Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Showers And Thunderstorms
|
75°F |
0 to 10 mph
S
|
|
Monday Night
Aug 3
|
Showers And Thunderstorms Likely
|
56°F |
5 to 10 mph
W
|
|
Tuesday
Aug 4
|
Sunny
|
79°F |
5 to 10 mph
NW
|
|
Tuesday Night
Aug 4
|
Mostly Clear
|
56°F |
0 to 5 mph
NW
|
|
Wednesday
Aug 5
|
Mostly Sunny
|
81°F |
0 mph
|
|
Wednesday Night
Aug 5
|
Partly Cloudy
|
59°F |
0 mph
|
|
Thursday
Aug 6
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
W
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
62°F |
0 mph
|
|
Friday
Aug 7
|
Partly Sunny then Chance Showers And Thunderstorms
|
83°F |
0 to 5 mph
W
|
|
Friday Night
Aug 7
|
Chance Showers And Thunderstorms then Partly Cloudy
|
62°F |
0 to 5 mph
NW
|
|
Saturday
Aug 8
|
Mostly Sunny then Chance Rain Showers
|
83°F |
0 to 5 mph
W
|
|
Saturday Night
Aug 8
|
Chance Rain Showers then Partly Cloudy
|
61°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thornton.
