What is the weather in Charlestown right now?

Current weather in Charlestown is light rain.

Where can I find the hourly weather forecast for Charlestown?

This page shows hourly weather forecast for Charlestown, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Charlestown updated regularly?

Weather data for Charlestown is updated regularly with the latest available observations and forecasts.

Now · 1:25 AM

Charlestown Weather & Hourly Forecast

United States · New Hampshire · 03603

58°F

Light rain

Feels like: 60°F

💧 Humidity 99% 🌡 Pressure 29.94 inHg 💨 Wind 1 mph 👁 Visibility 2.0 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Charlestown

Today

2:00 AM

Moderate rain

57° 💧 0.475 in 💨 3 mph H 98%29.91 inHg

5:00 AM

Light rain

57° 💧 0.197 in 💨 3 mph H 99%29.94 inHg

8:00 AM

Mostly cloudy

57° 💧 0.009 in 💨 4 mph H 98%29.97 inHg

11:00 AM

Mostly sunny

62° 💧 0.009 in 💨 4 mph H 80%30.00 inHg

2:00 PM

Light rain

68° 💧 0.044 in 💨 7 mph H 52%29.97 inHg

5:00 PM

Sunny

67° 💧 0.002 in 💨 9 mph H 56%29.97 inHg

8:00 PM

Clear night

58° 💧 None 💨 6 mph H 77%30.00 inHg

11:00 PM

Clear night

53° 💧 None 💨 5 mph H 90%30.06 inHg

Tomorrow

2:00 AM

Clear night

50° 💧 None 💨 3 mph H 94%30.06 inHg

5:00 AM

Clear night

50° 💧 None 💨 0 mph H 98%30.06 inHg

8:00 AM

Sunny

58° 💧 None 💨 4 mph H 82%30.12 inHg

11:00 AM

Sunny

70° 💧 None 💨 9 mph H 50%30.09 inHg

2:00 PM

Sunny

74° 💧 None 💨 11 mph H 40%30.09 inHg

5:00 PM

Sunny

72° 💧 None 💨 8 mph H 42%30.09 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 3 mph H 70%30.12 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 83%30.15 inHg

Today

2:00 AM

Moderate rain

57° 💧 0.148 in 💨 3 mph H 98%29.91 inHg

3:00 AM

Moderate rain

57° 💧 0.194 in 💨 2 mph H 97%29.94 inHg

4:00 AM

Moderate rain

57° 💧 0.133 in 💨 3 mph H 99%29.94 inHg

5:00 AM

Light rain

57° 💧 0.050 in 💨 3 mph H 99%29.94 inHg

6:00 AM

Light rain

56° 💧 0.043 in 💨 4 mph H 98%29.94 inHg

7:00 AM

Moderate rain

56° 💧 0.104 in 💨 3 mph H 99%29.97 inHg

8:00 AM

Mostly cloudy

57° 💧 0.003 in 💨 4 mph H 98%29.97 inHg

9:00 AM

Light rain

58° 💧 0.004 in 💨 4 mph H 93%30.00 inHg

10:00 AM

Mostly cloudy

60° 💧 0.001 in 💨 5 mph H 88%30.00 inHg

11:00 AM

Mostly sunny

62° 💧 0.001 in 💨 4 mph H 80%30.00 inHg

12:00 PM

Mostly sunny

65° 💧 0.002 in 💨 5 mph H 68%29.97 inHg

1:00 PM

Light rain

67° 💧 0.007 in 💨 6 mph H 57%29.97 inHg

2:00 PM

Light rain

68° 💧 0.009 in 💨 7 mph H 52%29.97 inHg

3:00 PM

Light rain

68° 💧 0.021 in 💨 8 mph H 55%29.97 inHg

4:00 PM

Light rain

68° 💧 0.014 in 💨 9 mph H 55%29.97 inHg

5:00 PM

Sunny

67° 💧 0.002 in 💨 9 mph H 56%29.97 inHg

6:00 PM

Sunny

66° 💧 None 💨 6 mph H 60%29.97 inHg

7:00 PM

Sunny

62° 💧 None 💨 5 mph H 70%30.00 inHg

8:00 PM

Clear night

58° 💧 None 💨 6 mph H 77%30.00 inHg

9:00 PM

Clear night

56° 💧 None 💨 5 mph H 84%30.03 inHg

10:00 PM

Clear night

54° 💧 None 💨 5 mph H 88%30.06 inHg

11:00 PM

Clear night

53° 💧 None 💨 5 mph H 90%30.06 inHg

Tomorrow

12:00 AM

Clear night

53° 💧 None 💨 3 mph H 90%30.06 inHg

1:00 AM

Clear night

51° 💧 None 💨 3 mph H 92%30.06 inHg

2:00 AM

Clear night

50° 💧 None 💨 3 mph H 94%30.06 inHg

3:00 AM

Clear night

50° 💧 None 💨 1 mph H 95%30.06 inHg

4:00 AM

Clear night

50° 💧 None 💨 0 mph H 98%30.06 inHg

5:00 AM

Clear night

50° 💧 None 💨 0 mph H 98%30.06 inHg

6:00 AM

Clear night

51° 💧 None 💨 1 mph H 96%30.09 inHg

7:00 AM

Sunny

52° 💧 None 💨 2 mph H 92%30.09 inHg

8:00 AM

Sunny

58° 💧 None 💨 4 mph H 82%30.12 inHg

9:00 AM

Sunny

63° 💧 None 💨 4 mph H 71%30.12 inHg

10:00 AM

Sunny

67° 💧 None 💨 7 mph H 60%30.12 inHg

11:00 AM

Sunny

70° 💧 None 💨 9 mph H 50%30.09 inHg

12:00 PM

Sunny

73° 💧 None 💨 11 mph H 42%30.09 inHg

1:00 PM

Sunny

73° 💧 None 💨 11 mph H 41%30.09 inHg

2:00 PM

Sunny

74° 💧 None 💨 11 mph H 40%30.09 inHg

3:00 PM

Sunny

74° 💧 None 💨 10 mph H 40%30.09 inHg

4:00 PM

Sunny

73° 💧 None 💨 9 mph H 40%30.09 inHg

5:00 PM

Sunny

72° 💧 None 💨 8 mph H 42%30.09 inHg

6:00 PM

Sunny

70° 💧 None 💨 5 mph H 52%30.09 inHg

7:00 PM

Sunny

64° 💧 None 💨 3 mph H 65%30.12 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 3 mph H 70%30.12 inHg

9:00 PM

Mostly clear night

59° 💧 None 💨 3 mph H 76%30.15 inHg

10:00 PM

Mostly clear night

58° 💧 None 💨 2 mph H 79%30.18 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 83%30.15 inHg

Tuesday

12:00 AM

Partly cloudy night

55° 💧 None 💨 2 mph H 86%30.18 inHg

1:00 AM

Overcast night

54° 💧 None 💨 2 mph H 86%30.15 inHg

2:00 AM

Overcast night

54° 💧 None 💨 1 mph H 88%30.18 inHg

3:00 AM

Overcast night

53° 💧 None 💨 2 mph H 90%30.18 inHg

4:00 AM

Overcast night

54° 💧 None 💨 2 mph H 89%30.15 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 2 mph H 89%30.15 inHg

6:00 AM

Mostly clear night

54° 💧 None 💨 2 mph H 89%30.15 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 1 mph H 88%30.18 inHg

8:00 AM

Sunny

60° 💧 None 💨 2 mph H 81%30.18 inHg

5:00 PM

Mostly cloudy

73° 💧 None 💨 7 mph H 52%30.18 inHg

8:00 PM

Overcast night

63° 💧 None 💨 3 mph H 79%30.21 inHg

11:00 PM

Overcast night

59° 💧 None 💨 2 mph H 87%30.24 inHg

Wednesday

2:00 AM

Overcast night

56° 💧 None 💨 2 mph H 88%30.24 inHg

5:00 AM

Overcast night

56° 💧 None 💨 0 mph H 88%30.24 inHg

8:00 AM

Overcast

59° 💧 None 💨 2 mph H 83%30.24 inHg

11:00 AM

Overcast

66° 💧 None 💨 6 mph H 61%30.21 inHg

2:00 PM

Overcast

69° 💧 None 💨 8 mph H 63%30.12 inHg

5:00 PM

Light rain

66° 💧 None 💨 9 mph H 85%30.03 inHg

8:00 PM

Moderate rain

64° 💧 None 💨 9 mph H 98%29.94 inHg

11:00 PM

Moderate rain

65° 💧 None 💨 10 mph H 98%29.85 inHg

Thursday

2:00 AM

Overcast night

65° 💧 None 💨 8 mph H 97%29.80 inHg

5:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 98%29.80 inHg

8:00 AM

Overcast

67° 💧 None 💨 6 mph H 97%29.77 inHg

11:00 AM

Partly cloudy

76° 💧 None 💨 9 mph H 75%29.74 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 11 mph H 59%29.68 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 8 mph H 68%29.65 inHg

8:00 PM

Overcast night

69° 💧 None 💨 5 mph H 79%29.65 inHg

11:00 PM

Mostly clear night

63° 💧 None 💨 5 mph H 85%29.68 inHg

Friday

2:00 AM

Clear night

57° 💧 None 💨 3 mph H 80%29.71 inHg

5:00 AM

Clear night

53° 💧 None 💨 2 mph H 86%29.74 inHg

8:00 AM

Sunny

58° 💧 None 💨 5 mph H 75%29.77 inHg

11:00 AM

Overcast

66° 💧 None 💨 9 mph H 53%29.77 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 10 mph H 46%29.80 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 10 mph H 52%29.77 inHg

Saturday

2:00 AM

Mostly clear night

61° 💧 None 💨 5 mph H 81%29.85 inHg

8:00 AM

Sunny

52° 💧 None 💨 2 mph H 93%29.94 inHg

2:00 PM

Mostly sunny

55° 💧 None 💨 0 mph H 87%30.03 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 1 mph H 45%30.03 inHg

Sunday

2:00 AM

Clear night

62° 💧 None 💨 3 mph H 76%30.06 inHg

8:00 AM

Sunny

54° 💧 None 💨 3 mph H 92%30.12 inHg

2:00 PM

Sunny

58° 💧 None 💨 3 mph H 89%30.18 inHg

8:00 PM

Clear night

77° 💧 None 💨 9 mph H 55%30.09 inHg

Monday

2:00 AM

Clear night

68° 💧 None 💨 10 mph H 74%30.03 inHg

8:00 AM

Sunny

62° 💧 None 💨 9 mph H 97%30.06 inHg

2:00 PM

Partly cloudy

64° 💧 None 💨 9 mph H 93%29.97 inHg

8:00 PM

Moderate rain

79° 💧 None 💨 12 mph H 67%29.85 inHg

Tuesday

2:00 AM

Very heavy rain

67° 💧 None 💨 9 mph H 98%29.85 inHg

8:00 AM

Moderate rain

55° 💧 None 💨 12 mph H 97%29.94 inHg

2:00 PM

Mostly cloudy

54° 💧 None 💨 11 mph H 88%30.03 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 12 mph H 49%30.03 inHg

Wednesday

2:00 AM

Clear night

57° 💧 None 💨 7 mph H 69%30.09 inHg

8:00 AM

Sunny

49° 💧 None 💨 5 mph H 86%30.15 inHg

2:00 PM

Sunny

53° 💧 None 💨 3 mph H 80%30.21 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 8 mph H 45%30.21 inHg

Thursday

2:00 AM

Clear night

58° 💧 None 💨 4 mph H 80%30.21 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 2 mph H 90%30.21 inHg

2:00 PM

Sunny

55° 💧 None 💨 3 mph H 87%30.24 inHg

8:00 PM

Clear night

73° 💧 None 💨 1 mph H 45%30.18 inHg

Friday

2:00 AM

Mostly clear night

61° 💧 None 💨 4 mph H 81%30.15 inHg

8:00 AM

Sunny

53° 💧 None 💨 4 mph H 89%30.18 inHg

2:00 PM

Sunny

54° 💧 None 💨 4 mph H 87%30.18 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 6 mph H 46%30.12 inHg

Saturday

2:00 AM

Mostly clear night

57° 💧 None 💨 2 mph H 76%30.15 inHg

8:00 AM

Mostly sunny

49° 💧 None 💨 3 mph H 86%30.18 inHg

2:00 PM

Mostly cloudy

51° 💧 None 💨 1 mph H 83%30.21 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 6 mph H 54%30.09 inHg

Sunday

2:00 AM

Overcast night

62° 💧 None 💨 11 mph H 82%30.03 inHg

8:00 AM

Overcast

59° 💧 None 💨 12 mph H 92%30.00 inHg

2:00 PM

Overcast

60° 💧 None 💨 11 mph H 93%29.94 inHg

In Charlestown and, more broadly, across the state of New Hampshire: This evening will feature mostly cloudy skies with mild temperatures settling around 64 degrees. A slight chance of rain exists, with potential accumulation around 0.02 inches and a maximum probability of about 54%. Winds will be light from the northwest at up to 3 mph, with gusts reaching 4 mph. Conditions are expected to remain relatively calm, but the possibility of light showers can’t be completely ruled out during the upcoming hours. Temperatures are unlikely to change significantly overnight, maintaining a mild and somewhat overcast atmosphere.

15-Day Weather Outlook for Charlestown

TomorrowTomorrow

Sunny 74°/50° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 73°/53° 💧 0.535 in 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Light rain 69°/56° 💧 0.026 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 79°/64° 💧 0.202 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Overcast 69°/53° 💧 0.002 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 70°/52° 💧 0.665 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 73°/54° 💧 None 💨 3 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 77°/62° 💧 None 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Very heavy rain 79°/54° 💧 1.712 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 67°/49° 💧 None 💨 12 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 70°/51° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 73°/53° 💧 0.001 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 70°/49° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Overcast 70°/59° 💧 0.055 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Charlestown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Charlestown

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 2,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 18,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,9µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Charlestown

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,7Moderate 😊Good

Tomorrow UV 6,0High 🙂Fair

Tuesday UV 5,5Moderate 🙂Fair

Wednesday UV 2,8Low 😐Moderate

Thursday UV 5,0Moderate —Unavailable

Friday UV 6,0High —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 0,3 10:00 AMUV 1,9 11:00 AMUV 4,3 12:00 PMUV 5,4 1:00 PMUV 5,7 2:00 PMUV 4,3 3:00 PMUV 2,5 4:00 PMUV 2,3 5:00 PMUV 1,0 6:00 PMUV 0,3

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Charlestown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CHARLESTOWN, NEW HAMPSHIRE

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

0/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon about 12° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 57° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Charlestown were last refreshed today at 12:57 AM. The current forecast period extends through 07/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.