Charlestown, NH Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Charlestown, NH in one place.
A chance of rain showers before 7am, then a chance of rain showers and patchy fog between 7am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Charlestown, 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: Apr 15, 2026 4:33 PM EDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Charlestown, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:33 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Charlestown
Thursday looks like the warmest upcoming period in Charlestown at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Saturday Night at about 5 to 10 mph SE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:33 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. South wind around 5 mph. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Northwest wind around 5 mph. Chance of precipitation is 50%.
A chance of rain showers before 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Mostly cloudy, with a high near 63.
A chance of rain showers after 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 5am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
A slight chance of snow showers between 8am and 1pm. Partly sunny, with a high near 41.
Partly cloudy, with a low around 25.
Sunny, with a high near 51.
A slight chance of rain showers after 9pm. Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Rain Showers
|
74°F |
5 mph
S
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
57°F |
5 mph
S
|
|
Friday
Apr 17
|
Chance Rain Showers
|
69°F |
5 mph
NW
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Mostly Cloudy
|
49°F |
5 mph
NE
|
|
Saturday
Apr 18
|
Mostly Cloudy
|
63°F |
5 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
45°F |
5 to 10 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
55°F |
10 mph
SW
|
|
Sunday Night
Apr 19
|
Chance Snow Showers
|
29°F |
10 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers
|
41°F |
10 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
25°F |
5 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
51°F |
5 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
37°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charlestown.
