80817 Weather (Fountain, CO)

Weather forecast for: Fountain CO

Last Update: 12:31 pm MDT Sep 25, 2026

This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 72. South southeast wind 10 to 15 mph.

Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. South wind 5 to 10 mph becoming light and variable. Chance of precipitation is 30%.

Saturday: Sunny, with a high near 83. North northwest wind 5 to 10 mph becoming south southeast in the afternoon.

Saturday Night: Partly cloudy, with a low around 53. South southeast wind around 5 mph becoming north northwest after midnight.

Sunday: Mostly sunny, with a high near 82. Light and variable wind becoming south southeast 10 to 15 mph in the afternoon.

Sunday Night: Mostly cloudy, with a low around 53. South southeast wind 5 to 15 mph becoming north northwest after midnight.

Monday: A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Northwest wind around 5 mph becoming south in the afternoon.

Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 40%.

Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. North northeast wind around 10 mph. Chance of precipitation is 60%.

Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. North wind around 10 mph. Chance of precipitation is 70%.

Wednesday: A chance of showers. Partly sunny, with a high near 73. North wind 10 to 15 mph.

Wednesday Night: A chance of showers. Partly cloudy, with a low around 49. North wind 5 to 10 mph.

Thursday: Sunny, with a high near 73. North northwest wind 5 to 10 mph becoming southeast in the afternoon.