Upton, WY Weather & Growing Conditions
Today
74°F
Areas Of Smoke
Areas of smoke. Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southeast wind around 5 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Areas Of Smoke | 5 mph SE | 2% |
| Tonight | 50°F | Mostly Clear then Slight Chance Rain Showers | 3 to 7 mph SE | 16% |
| Wednesday | 84°F | Sunny | 3 to 7 mph S | 1% |
| Wednesday Night | 54°F | Mostly Clear | 6 mph SE | 1% |
| Thursday | 92°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 59°F | Mostly Clear | 2 to 7 mph E | 0% |
| Friday | 97°F | Sunny | 2 to 7 mph S | 0% |
| Friday Night | 62°F | Mostly Clear | 8 mph E | 0% |
| Saturday | 98°F | Sunny | 7 to 10 mph N | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 to 10 mph E | 1% |
| Sunday | 98°F | Sunny | 6 to 13 mph SW | 1% |
| Sunday Night | 63°F | Partly Cloudy | 6 to 13 mph E | 12% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 6 to 14 mph SE | 15% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 to 14 mph SE | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Upton, WY
Last spring frost
May 20
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
4b
Explore more for Upton, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Upton, Wy (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.