Weather in Olney, MT
Updated 2026-09-26 09:45 local time · ZIP codes 59927
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
40°9% rain
46°10% rain48°8% rain
51°8% rain52°9% rain52°8% rain52°8% rain52°7% rain51°4% rain
47°2% rain
41°4% rain40°4% 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 37°F with winds near 5 mph.
51°F, 4% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 40°F, wind 5 mph, rain chance up to 10%.
UV index is 0.
Local weather characteristics in Olney
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Olney is part of the West weather region. The forecast point is near 48.55°N latitude and 114.58°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.
Olney weather today
Partly Cloudy and 40°F in Olney, MT. Today's high is 52°F with a 17% rain chance. Winds are around 5 mph with gusts near 12 mph. Relative humidity is 70%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Olney
Sunrise is at 07:30 AM and sunset is at 07:28 PM. Tomorrow's forecast calls for Overcast with a high near 56°F and a low near 32°F. The maximum rain chance is 10%.