Granger, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Granger, a town in Sweetwater County, Wyoming.
Tonight
29°F
Mostly Cloudy
Mostly cloudy. Low around 29, with temperatures rising to around 32 overnight. Northeast wind around 6 mph.
7-day forecast for Granger
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 29°F | Mostly Cloudy | 6 mph NE | 4% |
| Wednesday | 45°F | Patchy Fog then Cloudy | 3 mph N | 9% |
| Wednesday Night | 25°F | Partly Cloudy | 2 to 6 mph W | 2% |
| Thursday | 47°F | Mostly Sunny | 3 mph WSW | 0% |
| Thursday Night | 25°F | Partly Cloudy | 5 to 8 mph W | 1% |
| Friday | 50°F | Sunny | 6 to 13 mph W | 1% |
| Friday Night | 25°F | Partly Cloudy | 6 to 10 mph W | 0% |
| Saturday | 53°F | Sunny | 2 to 6 mph W | 0% |
| Saturday Night | 25°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 57°F | Sunny | 2 mph SW | 0% |
| Sunday Night | 28°F | Partly Cloudy | 3 mph SW | 0% |
| Monday | 55°F | Mostly Sunny | 2 mph WSW | 0% |
| Monday Night | 29°F | Mostly Cloudy | 2 mph WSW | 2% |
| Tuesday | 57°F | Mostly Sunny | 2 to 6 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Granger (41.598, -109.965). Updated through the day.
Growing snapshot for Granger
Last spring frost
May 25
First fall frost
Sep 27
Growing season
124 days
Hardiness zone
4b
More local growing data for Granger: nearby ZIP 82934 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
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Farson
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James Town
Little America
McKinnon
North Rock Springs
Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
Climate data from the nearest NOAA station, Church Buttes Gas Plt, Wy (15.6 mi from Granger). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.