Alta, WY Weather & Growing Conditions
Today
70°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 70. Southwest wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Areas Of Smoke | 3 to 8 mph SW | 0% |
| Tonight | 48°F | Smoke | 3 to 8 mph S | 0% |
| Wednesday | 71°F | Sunny | 3 to 8 mph SW | 0% |
| Wednesday Night | 51°F | Mostly Clear | 3 to 7 mph S | 0% |
| Thursday | 77°F | Sunny | 5 to 9 mph SW | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 8 mph SSW | 0% |
| Friday | 80°F | Sunny | 5 to 9 mph SSW | 0% |
| Friday Night | 58°F | Mostly Clear | 9 mph SSW | 0% |
| Saturday | 80°F | Sunny | 6 to 10 mph SW | 0% |
| Saturday Night | 59°F | Mostly Clear | 8 mph SSW | 0% |
| Sunday | 79°F | Sunny | 6 to 12 mph SW | 2% |
| Sunday Night | 58°F | Mostly Clear | 12 mph SSW | 2% |
| Monday | 78°F | Sunny | 7 to 12 mph SW | 5% |
| Monday Night | 57°F | Partly Cloudy | 10 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alta, WY
Last spring frost
Jun 14
First fall frost
Sep 11
Growing season
85 days
Hardiness zone
5a
Explore more for Alta, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Alta 1 Nnw, Wy (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.