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Pierce, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Pierce, a town in Weld County, Colorado.

This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 51 in the afternoon. North wind 8 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Pierce

WhenTempForecastWindPrecip
This Afternoon 57°F Sunny 8 to 15 mph N 0%
Tonight 31°F Mostly Clear 7 mph NNW 0%
Wednesday 56°F Partly Sunny 3 to 7 mph NNW 1%
Wednesday Night 33°F Mostly Cloudy 9 mph N 0%
Thursday 59°F Sunny 5 to 8 mph WSW 0%
Thursday Night 33°F Partly Cloudy 2 to 7 mph WNW 0%
Friday 59°F Mostly Sunny 5 to 9 mph N 6%
Friday Night 32°F Mostly Clear 3 to 7 mph NNW 6%
Saturday 60°F Sunny 5 to 8 mph W 1%
Saturday Night 32°F Clear 5 mph NW 0%
Sunday 65°F Sunny 2 to 7 mph SW 0%
Sunday Night 38°F Mostly Clear 2 to 8 mph W 0%
Monday 65°F Sunny 5 to 8 mph S 0%
Monday Night 37°F Partly Cloudy 6 mph NNE 0%

Forecast source: National Weather Service (api.weather.gov) for Pierce (40.648, -104.780). Updated through the day.

Growing snapshot for Pierce

Last spring frost
May 13
First fall frost
Sep 27
Growing season
136 days
Hardiness zone
5b

More local growing data for Pierce: nearby ZIP 80650 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Nunn 7 Nne, Co (11 mi from Pierce). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.