Sleepy Hollow, Wyoming Weather
Wind builds through canyons. Day 16 of summer. Read this microseason across nine climate regions →
Sleepy Hollow weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast15%—85°62°—
- TuesdayJul 7Drizzle62%—87°60°+2°
- WednesdayJul 8Light Drizzle62%—87°60°0°
- ThursdayJul 9Overcast46%—91°62°+4°
- FridayJul 10Clear14%—91°66°0°
- SaturdayJul 11Mostly Clear——100°69°+9°
- SundayJul 12Clear——107°73°+7°
AQI 57 (Moderate), driven by Ozone. AQI down 26 over the last 6 hours — air quality is improving sharply. Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 5.7 µg/m³, PM10 at 6.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:43 PM
- Moonset
- 12:27 PM
- In sign
- ♓︎ Pisces
Wind builds through canyons
Sleepy Hollow at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 11 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
15-Day Forecast — Sleepy Hollow
- Mon85°62°15%
- Tue87°60°62%
- Wed87°60°62%
- Thu91°62°46%
- Fri91°66°14%
- Sat100°69°2%
- Sun107°73°3%
- Mon103°74°8%
- Tue103°72°20%
- Wed99°72°28%
- Thu99°75°39%
- Fri96°73°42%
- Sat93°72°27%
- Sun93°71°30%
- Mon99°74°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Sleepy Hollow
SPC has placed Sleepy Hollow in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Sleepy Hollow
- 82718