Live Weather & Forecast
Weather in Circle
Montana, United States · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
66°F / Feels 66°F
Sunny
Circle, Montana
🌞 Daytime
Updated: 2026-04-15 16:15
Humidity
32%
Wind
16.9 km/h WSW
Wind Gust
19.5 km/h
Pressure
1003 mb
Visibility
16 km
UV Index
2.3
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
0.7°C
Wind Degree
244°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
144.8 μg/m³
NO₂
3.6 μg/m³
O₃
74 μg/m³
SO₂
0.9 μg/m³
PM 2.5
3.1 μg/m³
PM 10
4 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Lake Wind Advisory issued April 15 at 4:18AM MDT until April 16 at 9:00PM MDT by NWS Glasgow MT
* WHAT...Northwest winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Fort Peck Lake. * WHEN...From 9 AM to 9 PM MDT Thursday. * IMPACTS...Strong lake winds could produce rough waves which can overturn or swamp small craft.
Boaters on Fort Peck Lake should use extra caution. For your protection stay in or around sheltered areas to prevent your craft from tipping.
Today's Hourly Forecast
24-hour breakdown for Circle, Montana
12 AM
9°
Clear
1 AM
8°
Clear
2 AM
8°
Clear
3 AM
7°
Clear
4 AM
6°
Clear
5 AM
5°
Clear
6 AM
5°
Clear
7 AM
6°
Sunny
8 AM
9°
Sunny
9 AM
10°
Sunny
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
16°
Sunny
1 PM
17°
Sunny
2 PM
17°
Sunny
3 PM
18°
Sunny
4 PM
19°
Sunny
5 PM
19°
Sunny
6 PM
20°
Sunny
7 PM
18°
Sunny
8 PM
16°
Clear
9 PM
15°
Patchy rain nearby
10 PM
14°
Patchy rain nearby
11 PM
12°
Clear
3-Day Forecast
Daily overview for Circle, Montana
Today
Sunny
20°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 41%
💨 Max wind: 27 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:52 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Overcast
7°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 42.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:54 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
6°
/
-4°
🌧️ 0% chance of rain
💧 Avg. humidity: 46%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:55 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Circle
Plan your trip to Circle, 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 Circle?
Current conditions in Circle: Sunny, temperature 19°C, humidity 32%.
What is the best time to visit Circle?
The best time to visit Circle is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Circle?
Circle is located at approximately 47.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Circle?
The wettest period in Circle is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Circle?
For visits to Circle during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Circle in?
Circle is located in United States, in the state of Montana.
What are the public holidays in Circle in 2026?
View the 2026 public holidays for Circle on our Holidays page.
What are the GPS coordinates used for the weather forecast in Circle?
The weather forecast for Circle uses coordinates 47.4167, -105.5922.