Arrowhead Springs, WY Weather & Growing Conditions
Tonight
39°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 4am. Mostly cloudy, with a low around 39. West wind around 8 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph W | 35% |
| Sunday | 62°F | Sunny | 6 to 12 mph W | 1% |
| Sunday Night | 38°F | Mostly Clear | 2 to 8 mph SW | 0% |
| Monday | 67°F | Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 43°F | Partly Cloudy | 6 mph SW | 0% |
| Tuesday | 71°F | Mostly Sunny | 5 to 12 mph S | 8% |
| Tuesday Night | 45°F | Chance Showers And Thunderstorms | 10 mph SSW | 34% |
| Wednesday | 68°F | Mostly Sunny | 8 to 13 mph SW | 9% |
| Wednesday Night | 44°F | Mostly Clear | 7 mph SW | 3% |
| Thursday | 72°F | Sunny | 6 mph SSW | 3% |
| Thursday Night | 46°F | Partly Cloudy | 7 mph SSE | 4% |
| Friday | 72°F | Mostly Sunny | 7 to 10 mph S | 8% |
| Friday Night | 47°F | Partly Cloudy | 10 mph SSW | 13% |
| Saturday | 72°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 to 12 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arrowhead Springs, WY
Last spring frost
May 22
First fall frost
Sep 28
Growing season
126 days
Hardiness zone
5b
Explore more for Arrowhead Springs, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Rock Springs Ap, Wy (15.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.