Manderson, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manderson, a town in Big Horn County, Wyoming.
Today
69°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely between 3pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. Northwest wind 5 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Manderson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 17 mph NW | 66% |
| Tonight | 43°F | Chance Showers And Thunderstorms | 8 to 20 mph NW | 52% |
| Sunday | 65°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 mph NW | 36% |
| Sunday Night | 42°F | Mostly Cloudy | 1 to 5 mph SW | 2% |
| Monday | 72°F | Mostly Sunny | 3 mph SE | 0% |
| Monday Night | 42°F | Mostly Clear | 3 mph ESE | 0% |
| Tuesday | 79°F | Sunny | 3 mph SE | 0% |
| Tuesday Night | 47°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph ESE | 20% |
| Wednesday | 79°F | Mostly Sunny | 3 mph ENE | 12% |
| Wednesday Night | 45°F | Mostly Clear | 3 mph ESE | 3% |
| Thursday | 82°F | Sunny | 6 mph SSE | 1% |
| Thursday Night | 48°F | Mostly Clear | 7 mph SE | 1% |
| Friday | 83°F | Mostly Sunny | 5 to 9 mph SSE | 1% |
| Friday Night | 48°F | Partly Cloudy | 7 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Manderson (44.270, -107.964). Updated through the day.
Growing snapshot for Manderson
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
4b
More local growing data for Manderson: nearby ZIP 82432 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Basin, Wy (14.7 mi from Manderson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.