Sleepy Hollow, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sleepy Hollow, a community in Campbell County, Wyoming.
Today
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 67 in the afternoon. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
7-day forecast for Sleepy Hollow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph W | 51% |
| Tonight | 47°F | Showers And Thunderstorms | 7 to 10 mph W | 84% |
| Sunday | 61°F | Rain Showers | 6 to 12 mph N | 82% |
| Sunday Night | 44°F | Showers And Thunderstorms Likely | 5 to 8 mph W | 67% |
| Monday | 66°F | Partly Sunny | 6 to 10 mph S | 12% |
| Monday Night | 44°F | Mostly Clear | 12 to 20 mph SE | 0% |
| Tuesday | 73°F | Sunny | 12 to 18 mph SE | 0% |
| Tuesday Night | 50°F | Mostly Clear then Slight Chance Rain Showers | 14 mph SE | 16% |
| Wednesday | 76°F | Mostly Sunny | 8 to 13 mph S | 13% |
| Wednesday Night | 49°F | Partly Cloudy | 7 mph S | 8% |
| Thursday | 80°F | Sunny | 6 to 9 mph S | 1% |
| Thursday Night | 51°F | Mostly Clear | 9 to 13 mph SE | 3% |
| Friday | 80°F | Mostly Sunny | 13 to 16 mph S | 2% |
| Friday Night | 51°F | Partly Cloudy | 16 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov) for Sleepy Hollow (44.233, -105.431). Updated through the day.
Growing snapshot for Sleepy Hollow
Last spring frost
May 15
First fall frost
Oct 1
Growing season
136 days
Hardiness zone
4b
More local growing data for Sleepy Hollow: nearby ZIP 82727 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gillette 4Se, Wy (13.1 mi from Sleepy Hollow). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.