Manville, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manville, a town in Niobrara County, Wyoming.
Today
69°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Manville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph NW | 38% |
| Tonight | 44°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 68% |
| Sunday | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 15 mph W | 70% |
| Sunday Night | 41°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 55% |
| Monday | 63°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Monday Night | 42°F | Mostly Clear | 10 to 15 mph SE | 0% |
| Tuesday | 71°F | Sunny | 10 to 15 mph SSE | 2% |
| Tuesday Night | 45°F | Partly Cloudy | 10 to 20 mph SE | 13% |
| Wednesday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 16% |
| Wednesday Night | 45°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 24% |
| Thursday | 76°F | Sunny | 5 mph WNW | 3% |
| Thursday Night | 48°F | Mostly Clear | 5 mph SE | 4% |
| Friday | 77°F | Mostly Sunny | 5 to 15 mph S | 7% |
| Friday Night | 48°F | Partly Cloudy | 10 to 15 mph S | 13% |
Forecast source: National Weather Service (api.weather.gov) for Manville (42.779, -104.617). Updated through the day.
Growing snapshot for Manville
Last spring frost
May 23
First fall frost
Sep 20
Growing season
119 days
Hardiness zone
5a
More local growing data for Manville: nearby ZIP 82227 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lusk 2 Sw, Wy (12.9 mi from Manville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.