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Arrowhead Springs, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Arrowhead Springs, a community in Sweetwater County, Wyoming.

Today
43°F
Mostly Cloudy
Mostly cloudy, with a high near 43. Northeast wind 6 to 9 mph.

7-day forecast for Arrowhead Springs

WhenTempForecastWindPrecip
Today 43°F Mostly Cloudy 6 to 9 mph NE 8%
Tonight 27°F Partly Cloudy 6 mph WSW 2%
Thursday 46°F Mostly Sunny 2 to 7 mph W 0%
Thursday Night 30°F Mostly Cloudy 5 to 8 mph WSW 3%
Friday 47°F Mostly Sunny 6 to 9 mph W 1%
Friday Night 28°F Mostly Clear 8 mph W 0%
Saturday 49°F Sunny 2 to 6 mph WSW 0%
Saturday Night 29°F Mostly Clear 2 mph SSW 0%
Sunday 54°F Sunny 2 to 6 mph SW 0%
Sunday Night 33°F Partly Cloudy 6 mph SW 0%
Monday 55°F Mostly Sunny 5 mph SW 0%
Monday Night 34°F Mostly Cloudy 5 mph SW 0%
Tuesday 54°F Mostly Sunny 5 to 8 mph WSW 0%
Tuesday Night 34°F Partly Cloudy 6 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov) for Arrowhead Springs (41.508, -109.155). Updated through the day.

Growing snapshot for Arrowhead Springs

Last spring frost
May 24
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
5a

More local growing data for Arrowhead Springs: nearby ZIP 82943 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Rock Springs Fire Dept, Wy (9 mi from Arrowhead Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.