Live Weather & Forecast
Weather in Calais
Maine, United States · Real-time conditions & 3-day outlook
8°C
Feels like 7°C
46°F / Feels 45°F
Mist
Calais, Maine
🌙 Nighttime
Updated: 2026-04-15 21:45
Humidity
98%
Wind
6.1 km/h ESE
Wind Gust
10 km/h
Pressure
1015 mb
Visibility
0 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
9.1°C
Wind Degree
108°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
198.8 μg/m³
NO₂
4.4 μg/m³
O₃
74 μg/m³
SO₂
2.5 μg/m³
PM 2.5
3.4 μg/m³
PM 10
3.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Calais, Maine
12 AM
9°
Moderate rain
1 AM
9°
Light rain
2 AM
9°
Light rain
3 AM
9°
Mist
4 AM
9°
Mist
5 AM
9°
Light drizzle
6 AM
9°
Mist
7 AM
9°
Mist
8 AM
10°
Mist
9 AM
11°
Overcast
10 AM
11°
Overcast
11 AM
11°
Overcast
12 PM
12°
Overcast
1 PM
12°
Overcast
2 PM
12°
Overcast
3 PM
12°
Overcast
4 PM
12°
Overcast
5 PM
12°
Overcast
6 PM
11°
Overcast
7 PM
11°
Mist
8 PM
10°
Mist
9 PM
8°
Mist
10 PM
10°
Mist
11 PM
9°
Fog
3-Day Forecast
Daily overview for Calais, Maine
Today
Moderate rain
12°
/
8°
🌧️ 89% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 14 km/h
🌧️ Total precip: 6.55 mm
☀️ UV Index: 0.5
🌅 Sunrise: 05:44 AM
🌇 Sunset: 07:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
8°
/
5°
🌧️ 87% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 2 mm
☀️ UV Index: 0.5
🌅 Sunrise: 05:43 AM
🌇 Sunset: 07:17 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Heavy rain
11°
/
4°
🌧️ 89% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 88.71 mm
☀️ UV Index: 1.2
🌅 Sunrise: 05:41 AM
🌇 Sunset: 07:18 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Calais
Plan your trip to Calais, 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 Calais?
Current conditions in Calais: Mist, temperature 8°C, humidity 98%.
What is the best time to visit Calais?
The best time to visit Calais is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Calais?
Calais is located at approximately 45.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Calais?
The wettest period in Calais is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Calais?
For visits to Calais during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Calais in?
Calais is located in United States, in the state of Maine.
What are the public holidays in Calais in 2026?
View the 2026 public holidays for Calais on our Holidays page.
What are the GPS coordinates used for the weather forecast in Calais?
The weather forecast for Calais uses coordinates 45.189, -67.2781.