Granger, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Granger, a town in Sweetwater County, Wyoming.
Today
85°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 85. North northwest wind 1 to 17 mph, with gusts as high as 24 mph.
7-day forecast for Granger
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Smoke | 1 to 17 mph NNW | 0% |
| Tonight | 46°F | Areas Of Smoke | 2 to 21 mph WNW | 0% |
| Wednesday | 86°F | Sunny | 2 to 18 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 2 to 18 mph W | 0% |
| Thursday | 92°F | Sunny | 2 to 17 mph W | 0% |
| Thursday Night | 51°F | Mostly Clear | 2 to 17 mph W | 0% |
| Friday | 95°F | Sunny | 1 to 10 mph W | 0% |
| Friday Night | 55°F | Mostly Clear | 5 to 14 mph W | 0% |
| Saturday | 95°F | Sunny | 3 to 8 mph W | 0% |
| Saturday Night | 57°F | Partly Cloudy | 3 to 10 mph WSW | 0% |
| Sunday | 94°F | Sunny | 3 to 8 mph WSW | 9% |
| Sunday Night | 57°F | Partly Cloudy | 5 to 12 mph WSW | 3% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 15% |
| Monday Night | 56°F | Partly Cloudy | 5 to 10 mph WSW | 9% |
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
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Bairoil
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Farson
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James Town
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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 Aug 4, 2026.