Weather in Bynum, MT
Updated 2026-09-26 10:45 local time · ZIP codes 59419
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
49°10% rain54°9% rain55°8% rain
55°5% rain55°7% rain55°9% rain54°9% rain
53°1% rain51°1% rain
48°1% rain46°1% rain45°1% 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 9%).
It feels like 44°F with winds near 10 mph.
48°F, 1% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 30 mph.
Current temperature is 49°F, wind 10 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Bynum
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Bynum is part of the West weather region. The forecast point is near 47.98°N latitude and 112.31°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.
Bynum weather today
Overcast and 49°F in Bynum, MT. Today's high is 55°F with a 4% rain chance. Winds are around 10 mph with gusts near 17 mph. Relative humidity is 41%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Bynum
Sunrise is at 07:21 AM and sunset is at 07:19 PM. Tomorrow's forecast calls for Overcast with a high near 59°F and a low near 39°F. The maximum rain chance is 10%.