Live Weather & Forecast
Weather in Charlestown
New Hampshire, United States · Real-time conditions & 3-day outlook
6°C
Feels like 4°C
43°F / Feels 38°F
Sunny
Charlestown, New Hampshire
🌞 Daytime
Updated: 2026-04-13 07:30
Humidity
82%
Wind
12.6 km/h S
Wind Gust
18.8 km/h
Pressure
1019 mb
Visibility
16 km
UV Index
0.1
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
4.9°C
Wind Degree
181°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
187.9 μg/m³
NO₂
5.7 μg/m³
O₃
93 μg/m³
SO₂
4.1 μg/m³
PM 2.5
7.3 μg/m³
PM 10
8.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Charlestown, New Hampshire
12 AM
8°
Clear
1 AM
8°
Patchy rain nearby
2 AM
7°
Patchy rain nearby
3 AM
7°
Patchy rain nearby
4 AM
7°
Patchy rain nearby
5 AM
7°
Patchy rain nearby
6 AM
7°
Clear
7 AM
6°
Sunny
8 AM
10°
Sunny
9 AM
13°
Sunny
10 AM
17°
Sunny
11 AM
21°
Sunny
12 PM
22°
Sunny
1 PM
23°
Sunny
2 PM
22°
Patchy rain nearby
3 PM
21°
Overcast
4 PM
21°
Patchy rain nearby
5 PM
21°
Moderate rain at times
6 PM
20°
Sunny
7 PM
18°
Partly Cloudy
8 PM
17°
Partly Cloudy
9 PM
18°
Partly Cloudy
10 PM
17°
Partly Cloudy
11 PM
17°
Partly Cloudy
3-Day Forecast
Daily overview for Charlestown, New Hampshire
Today
Patchy rain nearby
24°
/
6°
🌧️ 88% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0.85 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
23°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
23°
/
18°
🌧️ 83% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 36.76 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:08 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Charlestown
Plan your trip to Charlestown, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Charlestown?
Current conditions in Charlestown: Sunny, temperature 6°C, humidity 82%.
What is the best time to visit Charlestown?
The best time to visit Charlestown is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Charlestown?
Charlestown is located at approximately 43.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Charlestown?
The wettest period in Charlestown is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Charlestown?
For visits to Charlestown during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Charlestown in?
Charlestown is located in United States, in the state of New Hampshire.
What are the public holidays in Charlestown in 2026?
View the 2026 public holidays for Charlestown on our Holidays page.
What are the GPS coordinates used for the weather forecast in Charlestown?
The weather forecast for Charlestown uses coordinates 43.2381, -72.4248.