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ZIP 80501 · Longmont, Colorado

Current conditions and the National Weather Service 7-day forecast for ZIP code 80501, Longmont, Colorado — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 61°F. Sunday Aug 30: a high near 89°F and a low around 60°F. The wettest day looks like Monday Aug 31, near 0.10 in. Highs over the period run 85°F to 90°F.

National Weather Service forecast for ZIP 80501, Longmont, Colorado
DayHighLowPrecip
Saturday Aug 2961°
Sunday Aug 3089°60°0.04 in
Monday Aug 3185°59°0.10 in
Tuesday Sep 186°57°0.01 in
Wednesday Sep 289°57°
Thursday Sep 389°59°
Friday Sep 490°60°
Saturday Sep 590°

NOAA NWS NDFD 2.5 km, run 2026-08-30 03:00 UTC · days are local time in America/Denver. The live page updates continuously.

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