Weather in Fairfield, MT
Updated 2026-09-26 08:00 local time · ZIP codes 59436
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
47°3% rain
50°7% rain
52°10% rain55°9% rain57°8% rain59°9% rain60°9% rain60°9% rain59°7% rain60°1% rain59°0% rain54°0% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 40°F with winds near 17 mph.
54°F, 0% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 47°F, wind 17 mph, rain chance up to 10%.
UV index is 0.
Local weather characteristics in Fairfield
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Fairfield is part of the West weather region. The forecast point is near 47.61°N latitude and 111.98°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Fairfield weather today
Sunny and 47°F in Fairfield, MT. Today's high is 60°F with a 3% rain chance. Winds are around 17 mph with gusts near 23 mph. Relative humidity is 51%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Fairfield
Sunrise is at 07:20 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Overcast with a high near 60°F and a low near 42°F. The maximum rain chance is 10%.