Best days to seal a driveway, by city
Asphalt sealcoat: 55°F and rising, 50°F overnight, 36 rain-free hours. Pick a city for a live 7-day verdict from the National Weather Service forecast and the months that usually work there.
Alabama
Arizona
Arkansas
California
Colorado
Connecticut
District of Columbia
Florida
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Nebraska
Nevada
New Mexico
Oklahoma
Oregon
Rhode Island
South Carolina
Virginia
Washington
Wisconsin
The rules Fairsky uses
- Needs 3 hours in a row of daylight.
- Air at least 55°F (50–54°F is borderline).
- No hotter than 95°F. (Fairsky default)
- Rain chance at or below 10%. (Fairsky default)
- No rain in the 12 hours before, so surfaces are dry. (Fairsky default)
- No rain for 36 hours after you finish.
- The first night's low stays at 50°F or warmer.
Your product's label wins.
Sources: SealMaster sealcoating FAQ
The app covers 47 activities in all: see every activity and its rules.
Fairsky is not a substitute for official warnings. For warnings, go to weather.gov.
Live forecasts: National Weather Service / NOAA (public domain), fetched by your browser. Climate averages: NOAA NCEI U.S. Climate Normals, 1991–2020 (public domain). Activity thresholds: product data sheets, ACI and university extension guidance, linked on each page; your product’s label wins.