Weather in Hamilton, CO
Updated 2026-09-26 11:30 local time · ZIP codes 81638
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
64°1% rain66°1% rain
68°5% rain
69°9% rain
65°3% rain67°3% rain67°2% rain64°3% rain
56°2% rain53°3% rain52°4% rain
51°14% 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 15%).
It feels like 56°F with winds near 11 mph.
66°F, 1% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 64°F, wind 11 mph, rain chance up to 15%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Hamilton
Colorado weather changes quickly with elevation. The eastern plains, Front Range and high mountains can have very different temperatures, wind, snow and thunderstorm conditions on the same day.
Hamilton is part of the West weather region. The forecast point is near 40.37°N latitude and 107.61°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.
Hamilton weather today
Sunny and 64°F in Hamilton, CO. Today's high is 69°F with a 3% rain chance. Winds are around 11 mph with gusts near 14 mph. Relative humidity is 37%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hamilton
Sunrise is at 07:02 AM and sunset is at 07:01 PM. Tomorrow's forecast calls for Overcast with a high near 69°F and a low near 50°F. The maximum rain chance is 9%.