Live Weather & Forecast
Weather in Big Sandy
Montana, United States · Real-time conditions & 3-day outlook
13°C
Feels like 11°C
55°F / Feels 52°F
Sunny
Big Sandy, Montana
🌞 Daytime
Updated: 2026-04-13 15:15
Humidity
64%
Wind
10.4 km/h NNW
Wind Gust
12 km/h
Pressure
1006 mb
Visibility
10 km
UV Index
3
(Moderate)
Precipitation
0 mm
Cloud Cover
19%
Dew Point
6.2°C
Wind Degree
332°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
145.9 μg/m³
NO₂
2.8 μg/m³
O₃
76 μg/m³
SO₂
0.9 μg/m³
PM 2.5
2.1 μg/m³
PM 10
2.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Big Sandy, Montana
12 AM
9°
Clear
1 AM
8°
Patchy rain nearby
2 AM
7°
Patchy rain nearby
3 AM
7°
Moderate rain at times
4 AM
7°
Patchy rain nearby
5 AM
7°
Patchy rain nearby
6 AM
7°
Clear
7 AM
7°
Sunny
8 AM
7°
Sunny
9 AM
7°
Patchy rain nearby
10 AM
7°
Light drizzle
11 AM
8°
Moderate rain
12 PM
9°
Overcast
1 PM
10°
Cloudy
2 PM
12°
Partly Cloudy
3 PM
13°
Sunny
4 PM
14°
Sunny
5 PM
15°
Sunny
6 PM
15°
Sunny
7 PM
13°
Sunny
8 PM
11°
Patchy rain nearby
9 PM
10°
Heavy rain at times
10 PM
9°
Patchy rain nearby
11 PM
8°
Clear
3-Day Forecast
Daily overview for Big Sandy, Montana
Today
Moderate rain
16°
/
6°
🌧️ 88% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 7.22 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:08 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
15°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 36.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
13°
/
5°
🌧️ 84% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 27.7 km/h
🌧️ Total precip: 7.87 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:30 AM
🌇 Sunset: 08:11 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Big Sandy
Plan your trip to Big Sandy, 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 Big Sandy?
Current conditions in Big Sandy: Sunny, temperature 13°C, humidity 64%.
What is the best time to visit Big Sandy?
The best time to visit Big Sandy is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Big Sandy?
Big Sandy is located at approximately 48.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Big Sandy?
The wettest period in Big Sandy is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Big Sandy?
For visits to Big Sandy during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Big Sandy in?
Big Sandy is located in United States, in the state of Montana.
What are the public holidays in Big Sandy in 2026?
View the 2026 public holidays for Big Sandy on our Holidays page.
What are the GPS coordinates used for the weather forecast in Big Sandy?
The weather forecast for Big Sandy uses coordinates 48.18, -110.1114.