Arrowhead Springs, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arrowhead Springs, a community in Sweetwater County, Wyoming.
This Afternoon
63°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 59 in the afternoon. West southwest wind around 12 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Arrowhead Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Showers And Thunderstorms | 12 mph WSW | 75% |
| Tonight | 41°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph WSW | 41% |
| Sunday | 63°F | Sunny | 7 to 10 mph WSW | 1% |
| Sunday Night | 39°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Monday | 68°F | Mostly Sunny | 3 mph SW | 0% |
| Monday Night | 44°F | Partly Cloudy | 5 mph SSW | 0% |
| Tuesday | 72°F | Mostly Sunny | 5 to 8 mph S | 8% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms | 7 mph SSW | 28% |
| Wednesday | 70°F | Mostly Sunny | 7 to 12 mph WSW | 8% |
| Wednesday Night | 45°F | Mostly Clear | 7 mph SW | 2% |
| Thursday | 73°F | Sunny | 5 mph SW | 2% |
| Thursday Night | 47°F | Partly Cloudy | 6 mph SE | 4% |
| Friday | 74°F | Mostly Sunny | 7 mph S | 7% |
| Friday Night | 48°F | Partly Cloudy | 8 mph SSW | 11% |
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
Nearby towns & communities
Bairoil
Clearview Acres
Eden
Farson
Granger
Green River
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, Rock Springs Fire Dept, Wy (9 mi from Arrowhead Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.