Weather forecast in Flathead Lake (MT)

This data display current weather and forecast for the coming days in Flathead Lake. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Flathead Lake current temperature and weather

October 25, 2025

Night
48.7°F Feels like: 43.5°F	Clear
	Wind: 17.2 mph (27.7 Km/h) SW Pressure: 26.73 inHg (905 hPa) Humidity: 65%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
45.7°F Feels like: 43.5°F	Sunny
	Wind: 3.6 mph (5.8 Km/h) S Pressure: 26.74 inHg (906 hPa) Humidity: 72%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Day
52°F Feels like: 50.5°F	Overcast
	Wind: 3.8 mph (6.1 Km/h) W Pressure: 26.82 inHg (908 hPa) Humidity: 68%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 1.2
Evening
45.9°F Feels like: 43.5°F	Moderate or heavy rain shower
	Wind: 2.5 mph (4 Km/h) SW Pressure: 27.18 inHg (920 hPa) Humidity: 95%	Precip. prob.: 100% Visibility: 6 mi (10 km) UV index: 0

In order for you to be able to estimate what the weather is like in Flathead Lake throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Flathead Lake is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.