Sleepy Hollow, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sleepy Hollow, a community in Campbell County, Wyoming.
Overnight
27°F
Mostly Clear
Mostly clear. Low around 27, with temperatures rising to around 31 overnight. West wind around 5 mph.
7-day forecast for Sleepy Hollow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 27°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 53°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 28°F | Mostly Cloudy | 3 to 8 mph W | 0% |
| Thursday | 61°F | Mostly Sunny | 8 to 12 mph S | 0% |
| Thursday Night | 34°F | Partly Cloudy | 8 to 12 mph SW | 1% |
| Friday | 53°F | Mostly Sunny | 3 to 9 mph NW | 1% |
| Friday Night | 33°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Saturday | 58°F | Sunny | 5 to 13 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 3 to 14 mph SW | 0% |
| Sunday | 67°F | Sunny | 8 to 16 mph SW | 0% |
| Sunday Night | 38°F | Mostly Clear | 7 mph W | 0% |
| Monday | 59°F | Sunny | 7 mph N | 0% |
| Monday Night | 37°F | Partly Cloudy | 9 mph SE | 0% |
| Tuesday | 63°F | Mostly Sunny | 6 to 9 mph SW | 0% |
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 Nov 4, 2026.