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Current weather in Calais is clear sky.

Where can I find the hourly weather forecast for Calais?

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

Is the weather forecast for Calais updated regularly?

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

Now · 5:43 AM

Calais Weather & Hourly Forecast

United States · Maine · 04619

42°F

Clear night

Feels like: 37°F

💧 Humidity 95% 🌡 Pressure 30.56 inHg 💨 Wind 6 mph 👁 Visibility 26.0 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:15 AM 🌇 Sunset 6:26 PM

Hourly Forecast for Calais

Today

6:00 AM

Clear night

42° 💧 None 💨 6 mph H 95%30.56 inHg

9:00 AM

Sunny

52° 💧 None 💨 4 mph H 73%30.62 inHg

12:00 PM

Sunny

60° 💧 None 💨 6 mph H 46%30.59 inHg

3:00 PM

Sunny

62° 💧 None 💨 4 mph H 46%30.53 inHg

6:00 PM

Sunny

53° 💧 None 💨 4 mph H 80%30.53 inHg

9:00 PM

Clear night

48° 💧 None 💨 0 mph H 94%30.53 inHg

Tomorrow

12:00 AM

Mist at night

44° 💧 None 💨 2 mph H 99%30.53 inHg

3:00 AM

Mostly cloudy night

44° 💧 None 💨 3 mph H 98%30.50 inHg

6:00 AM

Mist at night

43° 💧 None 💨 2 mph H 100%30.50 inHg

9:00 AM

Sunny

54° 💧 None 💨 3 mph H 75%30.47 inHg

12:00 PM

Sunny

66° 💧 None 💨 4 mph H 45%30.42 inHg

3:00 PM

Sunny

64° 💧 None 💨 6 mph H 57%30.36 inHg

6:00 PM

Sunny

54° 💧 None 💨 2 mph H 81%30.33 inHg

9:00 PM

Clear night

50° 💧 None 💨 3 mph H 87%30.33 inHg

Friday

12:00 AM

Overcast night

47° 💧 None 💨 6 mph H 94%30.27 inHg

3:00 AM

Overcast night

49° 💧 None 💨 7 mph H 92%30.24 inHg

Today

6:00 AM

Clear night

42° 💧 None 💨 6 mph H 95%30.56 inHg

7:00 AM

Sunny

43° 💧 None 💨 6 mph H 93%30.59 inHg

8:00 AM

Sunny

47° 💧 None 💨 5 mph H 82%30.62 inHg

9:00 AM

Sunny

52° 💧 None 💨 4 mph H 73%30.62 inHg

10:00 AM

Sunny

56° 💧 None 💨 6 mph H 62%30.62 inHg

11:00 AM

Sunny

58° 💧 None 💨 6 mph H 51%30.62 inHg

12:00 PM

Sunny

60° 💧 None 💨 6 mph H 46%30.59 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 43%30.56 inHg

2:00 PM

Sunny

62° 💧 None 💨 5 mph H 43%30.56 inHg

3:00 PM

Sunny

62° 💧 None 💨 4 mph H 46%30.53 inHg

4:00 PM

Sunny

61° 💧 None 💨 3 mph H 54%30.53 inHg

5:00 PM

Sunny

58° 💧 None 💨 5 mph H 66%30.53 inHg

6:00 PM

Sunny

53° 💧 None 💨 4 mph H 80%30.53 inHg

7:00 PM

Clear night

49° 💧 None 💨 3 mph H 91%30.53 inHg

8:00 PM

Clear night

48° 💧 None 💨 2 mph H 92%30.53 inHg

9:00 PM

Clear night

48° 💧 None 💨 0 mph H 94%30.53 inHg

10:00 PM

Mostly clear night

46° 💧 None 💨 2 mph H 99%30.53 inHg

11:00 PM

Clear night

45° 💧 None 💨 2 mph H 99%30.53 inHg

Tomorrow

12:00 AM

Mist at night

44° 💧 None 💨 2 mph H 99%30.53 inHg

1:00 AM

Mist at night

43° 💧 None 💨 3 mph H 100%30.50 inHg

2:00 AM

Mist at night

44° 💧 None 💨 4 mph H 99%30.50 inHg

3:00 AM

Mostly cloudy night

44° 💧 None 💨 3 mph H 98%30.50 inHg

4:00 AM

Mostly cloudy night

44° 💧 None 💨 3 mph H 99%30.50 inHg

5:00 AM

Mostly cloudy night

44° 💧 None 💨 2 mph H 99%30.50 inHg

6:00 AM

Mist at night

43° 💧 None 💨 2 mph H 100%30.50 inHg

7:00 AM

Mist

44° 💧 None 💨 3 mph H 99%30.50 inHg

8:00 AM

Sunny

48° 💧 None 💨 4 mph H 91%30.50 inHg

9:00 AM

Sunny

54° 💧 None 💨 3 mph H 75%30.47 inHg

10:00 AM

Sunny

59° 💧 None 💨 4 mph H 59%30.47 inHg

11:00 AM

Sunny

63° 💧 None 💨 4 mph H 49%30.45 inHg

12:00 PM

Sunny

66° 💧 None 💨 4 mph H 45%30.42 inHg

1:00 PM

Sunny

67° 💧 None 💨 4 mph H 46%30.39 inHg

2:00 PM

Sunny

66° 💧 None 💨 5 mph H 53%30.39 inHg

3:00 PM

Sunny

64° 💧 None 💨 6 mph H 57%30.36 inHg

4:00 PM

Sunny

62° 💧 None 💨 6 mph H 60%30.36 inHg

5:00 PM

Sunny

59° 💧 None 💨 4 mph H 66%30.33 inHg

6:00 PM

Sunny

54° 💧 None 💨 2 mph H 81%30.33 inHg

7:00 PM

Clear night

51° 💧 None 💨 2 mph H 84%30.33 inHg

8:00 PM

Mostly clear night

51° 💧 None 💨 3 mph H 86%30.33 inHg

9:00 PM

Clear night

50° 💧 None 💨 3 mph H 87%30.33 inHg

10:00 PM

Mostly cloudy night

50° 💧 None 💨 1 mph H 86%30.33 inHg

11:00 PM

Overcast night

47° 💧 None 💨 4 mph H 94%30.30 inHg

Friday

12:00 AM

Overcast night

47° 💧 None 💨 6 mph H 94%30.27 inHg

1:00 AM

Overcast night

48° 💧 None 💨 4 mph H 90%30.27 inHg

2:00 AM

Overcast night

48° 💧 None 💨 5 mph H 89%30.27 inHg

3:00 AM

Overcast night

49° 💧 None 💨 7 mph H 92%30.24 inHg

4:00 AM

Partly cloudy night

49° 💧 None 💨 7 mph H 91%30.24 inHg

5:00 AM

Mostly clear night

49° 💧 None 💨 7 mph H 93%30.24 inHg

6:00 AM

Mostly clear night

49° 💧 None 💨 8 mph H 94%30.24 inHg

7:00 AM

Mostly sunny

50° 💧 None 💨 7 mph H 92%30.24 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 7 mph H 82%30.24 inHg

9:00 AM

Partly cloudy

58° 💧 None 💨 5 mph H 70%30.24 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 6 mph H 61%30.24 inHg

11:00 AM

Mostly cloudy

67° 💧 None 💨 7 mph H 53%30.24 inHg

12:00 PM

Mostly cloudy

70° 💧 None 💨 8 mph H 46%30.21 inHg

1:00 PM

Overcast

71° 💧 None 💨 9 mph H 42%30.18 inHg

2:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 39%30.18 inHg

3:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 38%30.15 inHg

4:00 PM

Overcast

71° 💧 None 💨 9 mph H 39%30.15 inHg

5:00 PM

Overcast

69° 💧 None 💨 7 mph H 47%30.15 inHg

6:00 PM

Overcast

64° 💧 None 💨 7 mph H 56%30.15 inHg

7:00 PM

Overcast night

62° 💧 None 💨 9 mph H 59%30.18 inHg

8:00 PM

Overcast night

61° 💧 None 💨 9 mph H 58%30.18 inHg

11:00 PM

Overcast night

55° 💧 None 💨 8 mph H 66%30.21 inHg

Saturday

2:00 AM

Overcast night

52° 💧 None 💨 8 mph H 76%30.18 inHg

5:00 AM

Overcast night

51° 💧 None 💨 9 mph H 82%30.18 inHg

8:00 AM

Overcast

54° 💧 None 💨 8 mph H 80%30.18 inHg

11:00 AM

Overcast

63° 💧 None 💨 10 mph H 62%30.18 inHg

2:00 PM

Overcast

66° 💧 None 💨 10 mph H 55%30.12 inHg

5:00 PM

Overcast

64° 💧 None 💨 10 mph H 60%30.09 inHg

8:00 PM

Overcast night

60° 💧 None 💨 10 mph H 64%30.09 inHg

11:00 PM

Overcast night

56° 💧 None 💨 11 mph H 74%30.06 inHg

Sunday

2:00 AM

Mostly cloudy night

53° 💧 None 💨 11 mph H 86%30.03 inHg

5:00 AM

Overcast night

54° 💧 None 💨 12 mph H 81%30.00 inHg

8:00 AM

Overcast

55° 💧 None 💨 13 mph H 70%30.00 inHg

11:00 AM

Overcast

57° 💧 None 💨 11 mph H 71%30.00 inHg

2:00 PM

Overcast

61° 💧 None 💨 11 mph H 52%29.97 inHg

5:00 PM

Very heavy rain

54° 💧 None 💨 13 mph H 90%29.97 inHg

8:00 PM

Light rain

52° 💧 None 💨 13 mph H 97%30.00 inHg

11:00 PM

Light rain

53° 💧 None 💨 12 mph H 93%29.97 inHg

Monday

2:00 AM

Overcast night

54° 💧 None 💨 11 mph H 89%29.94 inHg

5:00 AM

Overcast night

53° 💧 None 💨 10 mph H 94%29.88 inHg

8:00 AM

Overcast

54° 💧 None 💨 10 mph H 91%29.88 inHg

11:00 AM

Light rain

55° 💧 None 💨 9 mph H 97%29.85 inHg

2:00 PM

Light rain

58° 💧 None 💨 8 mph H 97%29.83 inHg

5:00 PM

Light rain

59° 💧 None 💨 8 mph H 98%29.80 inHg

8:00 PM

Moderate rain

59° 💧 None 💨 5 mph H 100%29.80 inHg

Tuesday

2:00 AM

Moderate rain

58° 💧 None 💨 3 mph H 100%29.77 inHg

8:00 AM

Overcast

57° 💧 None 💨 8 mph H 99%29.83 inHg

2:00 PM

Overcast

63° 💧 None 💨 8 mph H 77%29.85 inHg

8:00 PM

Mostly clear night

57° 💧 None 💨 5 mph H 87%29.94 inHg

Wednesday

2:00 AM

Clear night

49° 💧 None 💨 6 mph H 96%30.00 inHg

8:00 AM

Sunny

54° 💧 None 💨 3 mph H 86%30.06 inHg

2:00 PM

Sunny

70° 💧 None 💨 4 mph H 54%30.03 inHg

8:00 PM

Clear night

55° 💧 None 💨 6 mph H 89%30.06 inHg

Thursday

2:00 AM

Overcast night

53° 💧 None 💨 5 mph H 100%30.09 inHg

8:00 AM

Partly cloudy

57° 💧 None 💨 7 mph H 93%30.06 inHg

2:00 PM

Mostly cloudy

75° 💧 None 💨 12 mph H 61%30.00 inHg

8:00 PM

Clear night

59° 💧 None 💨 8 mph H 99%30.03 inHg

Friday

2:00 AM

Overcast night

58° 💧 None 💨 8 mph H 99%30.00 inHg

8:00 AM

Overcast

60° 💧 None 💨 6 mph H 96%30.00 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 14 mph H 60%29.94 inHg

8:00 PM

Overcast night

62° 💧 None 💨 10 mph H 96%29.91 inHg

Saturday

2:00 AM

Moderate rain

62° 💧 None 💨 12 mph H 94%29.80 inHg

8:00 AM

Overcast

62° 💧 None 💨 6 mph H 99%29.74 inHg

2:00 PM

Sunny

72° 💧 None 💨 7 mph H 50%29.77 inHg

8:00 PM

Clear night

57° 💧 None 💨 9 mph H 57%29.88 inHg

Sunday

2:00 AM

Clear night

49° 💧 None 💨 8 mph H 68%29.97 inHg

8:00 AM

Sunny

50° 💧 None 💨 7 mph H 71%30.12 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 7 mph H 43%30.12 inHg

8:00 PM

Clear night

49° 💧 None 💨 4 mph H 71%30.15 inHg

Monday

2:00 AM

Clear night

42° 💧 None 💨 4 mph H 86%30.18 inHg

8:00 AM

Mostly cloudy

45° 💧 None 💨 2 mph H 83%30.21 inHg

2:00 PM

Mostly cloudy

60° 💧 None 💨 7 mph H 38%30.12 inHg

8:00 PM

Mostly cloudy night

51° 💧 None 💨 3 mph H 66%30.09 inHg

Tuesday

2:00 AM

Mostly clear night

45° 💧 None 💨 4 mph H 88%30.09 inHg

8:00 AM

Partly cloudy

50° 💧 None 💨 5 mph H 79%30.06 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 11 mph H 48%29.91 inHg

8:00 PM

Mostly cloudy night

53° 💧 None 💨 9 mph H 91%29.85 inHg

Wednesday

2:00 AM

Mostly clear night

55° 💧 None 💨 13 mph H 91%29.74 inHg

8:00 AM

Light rain

57° 💧 None 💨 10 mph H 91%29.65 inHg

2:00 PM

Light rain

64° 💧 None 💨 9 mph H 81%29.53 inHg

8:00 PM

Mostly clear night

55° 💧 None 💨 5 mph H 99%29.53 inHg

In Calais and, more broadly, across the state of Maine: This morning, the sky features a mix of sun and clouds with cool temperatures ranging from 45 to 63 degrees Fahrenheit. Light north winds are expected, with speeds up to 8 mph and gusts reaching 19 mph. As the day progresses, conditions will remain generally dry, with no precipitation in the forecast. Temperatures will stay within the cool range, and the wind will continue to be light, contributing to a calm and mild afternoon. Overall, it should be a pleasant day with comfortable conditions, especially in the late morning and early afternoon hours. Be sure to dress accordingly for the cool temperatures and light breezes.

15-Day Weather Outlook for Calais

TomorrowTomorrow

Mostly cloudy 67°/41° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Overcast 68°/45° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Overcast 64°/51° 💧 0.023 in 💨 12 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 56°/52° 💧 0.890 in 💨 13 mph

Monday, Sep 28Mon Sep 28

Light rain 61°/54° 💧 0.161 in 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 62°/56° 💧 0.227 in 💨 11 mph

Wednesday, Sep 30Wed Sep 30

Overcast 62°/55° 💧 0.002 in 💨 8 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 67°/54° 💧 0.001 in 💨 5 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 73°/54° 💧 0.002 in 💨 6 mph

Saturday, Oct 3Sat Oct 3

Mostly cloudy 69°/58° 💧 0.004 in 💨 7 mph

Sunday, Oct 4Sun Oct 4

Overcast 67°/57° 💧 0.031 in 💨 11 mph

Monday, Oct 5Mon Oct 5

Moderate rain 64°/61° 💧 0.375 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Moderate rain 61°/56° 💧 0.339 in 💨 13 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 51°/48° 💧 0.481 in 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Calais

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Calais

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 0,7µg/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 1,4µg/m³

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

O₃ Ozone Good 42,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,3µg/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 Calais

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 4,2Moderate 😊Good

Tomorrow UV 4,4Moderate 🙂Fair

Friday UV 2,5Low 🙂Fair

Saturday UV 0,3Low 🙂Fair

Sunday UV 3,0Moderate 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Calais

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CALAIS, MAINE

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 8:00 PM–9:00 PM.

90/100Best-hour score

BEST TIME TONIGHT 8:00 PM–9:00 PM Astronomical darkness: 8:03 PM–4:39 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 92% Waxing Gibbous · Moon about 25° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant -7° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min5%

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Calais were last refreshed today at 5:39 AM. The current forecast period extends through 25/09/2026 at 3:00 AM. 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.