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Current weather in Loudon is overcast clouds.

Where can I find the hourly weather forecast for Loudon?

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

Is the weather forecast for Loudon updated regularly?

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

Now · 8:08 PM

Loudon Weather & Hourly Forecast

United States · New Hampshire · 03307

66°F

Overcast night

Feels like: 71°F

💧 Humidity 99% 🌡 Pressure 29.80 inHg 💨 Wind 1 mph 👁 Visibility 11.9 mi ☁ Clouds 97% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Loudon

Today

9:00 PM

Mist at night

65° 💧 None 💨 2 mph H 100%29.83 inHg

Tomorrow

12:00 AM

Fog at night

64° 💧 0.003 in 💨 3 mph H 100%29.80 inHg

3:00 AM

Mostly cloudy night

64° 💧 None 💨 10 mph H 97%29.77 inHg

6:00 AM

Clear night

61° 💧 None 💨 8 mph H 93%29.85 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 13 mph H 72%29.94 inHg

12:00 PM

Sunny

67° 💧 None 💨 14 mph H 48%29.97 inHg

3:00 PM

Sunny

68° 💧 None 💨 13 mph H 44%30.00 inHg

6:00 PM

Sunny

62° 💧 None 💨 10 mph H 50%30.09 inHg

9:00 PM

Clear night

56° 💧 None 💨 8 mph H 61%30.18 inHg

Tuesday

12:00 AM

Clear night

50° 💧 None 💨 4 mph H 80%30.24 inHg

3:00 AM

Clear night

48° 💧 None 💨 4 mph H 87%30.27 inHg

6:00 AM

Clear night

46° 💧 None 💨 2 mph H 89%30.33 inHg

9:00 AM

Sunny

58° 💧 None 💨 0 mph H 68%30.36 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 4 mph H 47%30.36 inHg

3:00 PM

Mostly sunny

68° 💧 None 💨 7 mph H 46%30.33 inHg

6:00 PM

Sunny

65° 💧 None 💨 5 mph H 59%30.30 inHg

Today

9:00 PM

Mist at night

65° 💧 None 💨 2 mph H 100%29.83 inHg

10:00 PM

Fog at night

64° 💧 None 💨 3 mph H 100%29.80 inHg

11:00 PM

Fog at night

64° 💧 None 💨 3 mph H 100%29.80 inHg

Tomorrow

12:00 AM

Fog at night

64° 💧 0.003 in 💨 3 mph H 100%29.80 inHg

1:00 AM

Fog at night

63° 💧 None 💨 3 mph H 100%29.77 inHg

2:00 AM

Fog at night

64° 💧 None 💨 6 mph H 98%29.77 inHg

3:00 AM

Mostly cloudy night

64° 💧 None 💨 10 mph H 97%29.77 inHg

4:00 AM

Overcast night

63° 💧 None 💨 11 mph H 96%29.80 inHg

5:00 AM

Overcast night

62° 💧 None 💨 9 mph H 94%29.83 inHg

6:00 AM

Clear night

61° 💧 None 💨 8 mph H 93%29.85 inHg

7:00 AM

Sunny

60° 💧 None 💨 10 mph H 91%29.88 inHg

8:00 AM

Sunny

59° 💧 None 💨 10 mph H 83%29.94 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 13 mph H 72%29.94 inHg

10:00 AM

Sunny

63° 💧 None 💨 13 mph H 63%29.97 inHg

11:00 AM

Sunny

65° 💧 None 💨 15 mph H 53%29.97 inHg

12:00 PM

Sunny

67° 💧 None 💨 14 mph H 48%29.97 inHg

1:00 PM

Sunny

67° 💧 None 💨 13 mph H 45%29.97 inHg

2:00 PM

Sunny

68° 💧 None 💨 13 mph H 43%30.00 inHg

3:00 PM

Sunny

68° 💧 None 💨 13 mph H 44%30.00 inHg

4:00 PM

Sunny

66° 💧 None 💨 13 mph H 45%30.03 inHg

5:00 PM

Sunny

65° 💧 None 💨 12 mph H 46%30.06 inHg

6:00 PM

Sunny

62° 💧 None 💨 10 mph H 50%30.09 inHg

7:00 PM

Clear night

59° 💧 None 💨 9 mph H 52%30.09 inHg

8:00 PM

Clear night

58° 💧 None 💨 9 mph H 56%30.15 inHg

9:00 PM

Clear night

56° 💧 None 💨 8 mph H 61%30.18 inHg

10:00 PM

Clear night

54° 💧 None 💨 6 mph H 68%30.21 inHg

11:00 PM

Clear night

51° 💧 None 💨 4 mph H 77%30.21 inHg

Tuesday

12:00 AM

Clear night

50° 💧 None 💨 4 mph H 80%30.24 inHg

1:00 AM

Clear night

50° 💧 None 💨 3 mph H 82%30.24 inHg

2:00 AM

Clear night

49° 💧 None 💨 3 mph H 85%30.27 inHg

3:00 AM

Clear night

48° 💧 None 💨 4 mph H 87%30.27 inHg

4:00 AM

Clear night

47° 💧 None 💨 3 mph H 87%30.27 inHg

5:00 AM

Clear night

47° 💧 None 💨 3 mph H 89%30.30 inHg

6:00 AM

Clear night

46° 💧 None 💨 2 mph H 89%30.33 inHg

7:00 AM

Sunny

47° 💧 None 💨 3 mph H 92%30.36 inHg

8:00 AM

Sunny

52° 💧 None 💨 2 mph H 82%30.36 inHg

9:00 AM

Sunny

58° 💧 None 💨 0 mph H 68%30.36 inHg

10:00 AM

Partly cloudy

62° 💧 None 💨 2 mph H 54%30.39 inHg

11:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 49%30.39 inHg

12:00 PM

Mostly cloudy

66° 💧 None 💨 4 mph H 47%30.36 inHg

1:00 PM

Mostly cloudy

67° 💧 None 💨 5 mph H 45%30.36 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 6 mph H 45%30.36 inHg

3:00 PM

Mostly sunny

68° 💧 None 💨 7 mph H 46%30.33 inHg

4:00 PM

Sunny

68° 💧 None 💨 6 mph H 47%30.33 inHg

5:00 PM

Sunny

67° 💧 None 💨 7 mph H 50%30.33 inHg

6:00 PM

Sunny

65° 💧 None 💨 5 mph H 59%30.30 inHg

7:00 PM

Mostly clear night

60° 💧 None 💨 6 mph H 71%30.30 inHg

8:00 PM

Mostly cloudy night

58° 💧 None 💨 7 mph H 78%30.33 inHg

9:00 PM

Mostly cloudy night

56° 💧 None 💨 6 mph H 85%30.33 inHg

10:00 PM

Clear night

55° 💧 None 💨 5 mph H 91%30.36 inHg

11:00 PM

Mostly clear night

53° 💧 None 💨 6 mph H 94%30.36 inHg

Wednesday

12:00 AM

Clear night

53° 💧 None 💨 5 mph H 96%30.33 inHg

1:00 AM

Clear night

52° 💧 None 💨 4 mph H 97%30.33 inHg

2:00 AM

Clear night

52° 💧 None 💨 4 mph H 97%30.33 inHg

3:00 AM

Mostly clear night

52° 💧 None 💨 5 mph H 97%30.33 inHg

4:00 AM

Clear night

52° 💧 None 💨 5 mph H 96%30.33 inHg

5:00 AM

Mostly clear night

52° 💧 None 💨 5 mph H 96%30.33 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 4 mph H 96%30.33 inHg

7:00 AM

Mostly cloudy

53° 💧 None 💨 5 mph H 96%30.33 inHg

8:00 AM

Overcast

57° 💧 None 💨 4 mph H 87%30.36 inHg

11:00 AM

Partly cloudy

67° 💧 None 💨 2 mph H 68%30.33 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 3 mph H 55%30.27 inHg

5:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 53%30.24 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 4 mph H 79%30.27 inHg

11:00 PM

Clear night

62° 💧 None 💨 4 mph H 88%30.30 inHg

Thursday

2:00 AM

Clear night

60° 💧 None 💨 5 mph H 93%30.30 inHg

5:00 AM

Mostly clear night

58° 💧 None 💨 3 mph H 93%30.30 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 2 mph H 86%30.33 inHg

11:00 AM

Partly cloudy

73° 💧 None 💨 4 mph H 61%30.27 inHg

2:00 PM

Overcast

76° 💧 None 💨 7 mph H 59%30.18 inHg

5:00 PM

Moderate rain

69° 💧 None 💨 8 mph H 93%30.12 inHg

8:00 PM

Moderate rain

64° 💧 None 💨 6 mph H 99%30.09 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 6 mph H 100%30.03 inHg

Friday

2:00 AM

Overcast night

65° 💧 None 💨 4 mph H 99%30.00 inHg

5:00 AM

Partly cloudy night

65° 💧 None 💨 7 mph H 98%29.97 inHg

8:00 AM

Sunny

64° 💧 None 💨 9 mph H 96%30.03 inHg

11:00 AM

Mostly sunny

71° 💧 None 💨 10 mph H 58%30.03 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 11 mph H 45%30.00 inHg

5:00 PM

Mostly cloudy

73° 💧 None 💨 10 mph H 46%29.97 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 7 mph H 66%30.03 inHg

11:00 PM

Overcast night

60° 💧 None 💨 7 mph H 63%30.06 inHg

Saturday

2:00 AM

Mostly clear night

53° 💧 None 💨 6 mph H 79%30.09 inHg

5:00 AM

Partly cloudy night

50° 💧 None 💨 6 mph H 81%30.12 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 4 mph H 70%30.15 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 5 mph H 36%30.12 inHg

8:00 PM

Overcast night

56° 💧 None 💨 5 mph H 63%30.15 inHg

Sunday

2:00 AM

Clear night

47° 💧 None 💨 5 mph H 76%30.24 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 71%30.30 inHg

2:00 PM

Sunny

67° 💧 None 💨 3 mph H 44%30.27 inHg

8:00 PM

Clear night

56° 💧 None 💨 6 mph H 86%30.30 inHg

Monday

2:00 AM

Mostly clear night

51° 💧 None 💨 2 mph H 93%30.36 inHg

8:00 AM

Overcast

53° 💧 None 💨 1 mph H 88%30.42 inHg

2:00 PM

Overcast

65° 💧 None 💨 11 mph H 55%30.33 inHg

8:00 PM

Overcast night

60° 💧 None 💨 8 mph H 91%30.21 inHg

Tuesday

2:00 AM

Light rain

63° 💧 None 💨 10 mph H 87%30.03 inHg

8:00 AM

Mostly cloudy

68° 💧 None 💨 9 mph H 94%29.91 inHg

2:00 PM

Light rain

79° 💧 None 💨 11 mph H 64%29.85 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 10 mph H 70%29.94 inHg

Wednesday

2:00 AM

Clear night

58° 💧 None 💨 8 mph H 86%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 8 mph H 71%30.12 inHg

2:00 PM

Mostly sunny

63° 💧 None 💨 12 mph H 41%30.15 inHg

8:00 PM

Clear night

55° 💧 None 💨 9 mph H 58%30.24 inHg

Thursday

2:00 AM

Mostly clear night

47° 💧 None 💨 6 mph H 79%30.30 inHg

8:00 AM

Sunny

48° 💧 None 💨 5 mph H 72%30.42 inHg

2:00 PM

Sunny

63° 💧 None 💨 4 mph H 36%30.39 inHg

8:00 PM

Clear night

54° 💧 None 💨 7 mph H 54%30.39 inHg

Friday

2:00 AM

Mostly clear night

44° 💧 None 💨 3 mph H 87%30.45 inHg

8:00 AM

Partly cloudy

45° 💧 None 💨 2 mph H 87%30.47 inHg

2:00 PM

Partly cloudy

66° 💧 None 💨 3 mph H 31%30.36 inHg

8:00 PM

Mostly clear night

54° 💧 None 💨 5 mph H 58%30.30 inHg

Saturday

2:00 AM

Mostly clear night

47° 💧 None 💨 4 mph H 83%30.30 inHg

8:00 AM

Sunny

50° 💧 None 💨 5 mph H 74%30.27 inHg

2:00 PM

Sunny

70° 💧 None 💨 7 mph H 37%30.15 inHg

8:00 PM

Clear night

58° 💧 None 💨 6 mph H 68%30.15 inHg

Sunday

2:00 AM

Clear night

48° 💧 None 💨 3 mph H 91%30.15 inHg

8:00 AM

Sunny

50° 💧 None 💨 2 mph H 89%30.18 inHg

2:00 PM

Sunny

72° 💧 None 💨 6 mph H 40%30.09 inHg

8:00 PM

Mostly clear night

59° 💧 None 💨 8 mph H 81%30.09 inHg

Monday

2:00 AM

Partly cloudy night

53° 💧 None 💨 6 mph H 98%30.09 inHg

8:00 AM

Overcast

54° 💧 None 💨 5 mph H 96%30.09 inHg

In Loudon and, more broadly, across the state of New Hampshire: This evening, mostly cloudy skies will prevail with mild temperatures remaining steady around 67 degrees Fahrenheit. Light southwest winds, averaging up to 4 mph, may occasionally gust to the same speed. No significant rainfall is expected during the upcoming hours, so dry conditions will likely continue through the night. Temperatures are expected to stay fairly constant tonight, providing a comfortable and mild evening. It’s a good idea to keep an eye on the sky if you plan to be outdoors, but the weather should remain calm and dry for the rest of the evening.

15-Day Weather Outlook for Loudon

TomorrowTomorrow

Mostly cloudy 68°/51° 💧 None 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 68°/46° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 79°/51° 💧 0.297 in 💨 5 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 76°/58° 💧 0.290 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 75°/60° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 66°/50° 💧 None 💨 6 mph

Sunday, Sep 20Sun Sep 20

Sunny 67°/47° 💧 None 💨 6 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 65°/51° 💧 0.017 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Light rain 79°/63° 💧 0.106 in 💨 11 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 63°/55° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 63°/47° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 66°/44° 💧 None 💨 5 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 70°/47° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 72°/48° 💧 None 💨 8 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 54°/53° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Loudon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Loudon

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 4,6µg/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 5,3µg/m³

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

O₃ Ozone Good 17,7µg/m³

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

NO₂ Nitrogen dioxide Good 9,3µg/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 Loudon

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 3,3Moderate 😊Good

Tomorrow UV 5,2Moderate 🙂Fair

Tuesday UV 6,0High 🙂Fair

Wednesday UV 5,7Moderate 😷Poor

Thursday UV 4,0Moderate 😐Moderate

Friday UV 6,0High —Unavailable

Saturday UV 5,0Moderate —Unavailable

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 Loudon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LOUDON, NEW HAMPSHIRE

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

34/100Best-hour score

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

☁ Cloud cover 84% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 74° 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 Loudon were last refreshed today at 8:08 PM. The current forecast period extends through 15/09/2026 at 6:00 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.