Live Weather & Forecast
Weather in Eureka
Montana, United States · Real-time conditions & 3-day outlook
8°C
Feels like 6°C
46°F / Feels 43°F
Light drizzle
Eureka, Montana
🌞 Daytime
Updated: 2026-04-15 13:15
Humidity
79%
Wind
10.1 km/h SSE
Wind Gust
11.6 km/h
Pressure
1002 mb
Visibility
2 km
UV Index
2.8
(Low)
Precipitation
0.65 mm
Cloud Cover
81%
Dew Point
4°C
Wind Degree
163°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
150.9 μg/m³
NO₂
2.3 μg/m³
O₃
105 μg/m³
SO₂
1.1 μg/m³
PM 2.5
1.3 μg/m³
PM 10
1.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Eureka, Montana
12 AM
6°
Partly Cloudy
1 AM
5°
Partly Cloudy
2 AM
5°
Clear
3 AM
5°
Clear
4 AM
5°
Clear
5 AM
5°
Clear
6 AM
5°
Patchy rain nearby
7 AM
5°
Patchy rain nearby
8 AM
5°
Patchy rain nearby
9 AM
5°
Patchy rain nearby
10 AM
6°
Moderate rain at times
11 AM
6°
Patchy rain nearby
12 PM
7°
Patchy light drizzle
1 PM
8°
Light drizzle
2 PM
9°
Light drizzle
3 PM
10°
Patchy rain nearby
4 PM
9°
Partly Cloudy
5 PM
9°
Patchy rain nearby
6 PM
10°
Cloudy
7 PM
7°
Sunny
8 PM
5°
Sunny
9 PM
4°
Patchy rain nearby
10 PM
3°
Clear
11 PM
2°
Clear
3-Day Forecast
Daily overview for Eureka, Montana
Today
Patchy rain nearby
10°
/
3°
🌧️ 89% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 3.35 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:49 AM
🌇 Sunset: 08:32 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate or heavy snow showers
5°
/
-2°
🌧️ 85% chance of rain
❄️ 10% chance of snow
💧 Avg. humidity: 71%
💨 Max wind: 7.2 km/h
🌧️ Total precip: 6.48 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:47 AM
🌇 Sunset: 08:34 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
8°
/
-2°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 7.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:45 AM
🌇 Sunset: 08:35 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Eureka
Plan your trip to Eureka, 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 Eureka?
Current conditions in Eureka: Light drizzle, temperature 8°C, humidity 79%.
What is the best time to visit Eureka?
The best time to visit Eureka is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Eureka?
Eureka is located at approximately 48.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Eureka?
The wettest period in Eureka is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Eureka?
For visits to Eureka during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Eureka in?
Eureka is located in United States, in the state of Montana.
What are the public holidays in Eureka in 2026?
View the 2026 public holidays for Eureka on our Holidays page.
What are the GPS coordinates used for the weather forecast in Eureka?
The weather forecast for Eureka uses coordinates 48.88, -115.0535.