How to help: Donate now to assist victims of the 2017 hurricane season

           , °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 25

      91° /65°F
      Mostly sunny and hot
      • Very Good
      • for stargazing
      • Cloud Cover: 20%
      • Precip: 3%
      • Hours of Precip: 0
    • Tue

      Sep 26

      90° /65°
      Mostly sunny
      • Poor
      • for stargazing
      • Cloud Cover: 70%
      • Precip: 55%
      • Hours of Precip: 0.5
      More
    • Wed

      Sep 27

      77° /55°
      Cooler with variable clouds
      • Poor
      • for stargazing
      • Cloud Cover: 63%
      • Precip: 10%
      • Hours of Precip: 0
      More
    • Thu

      Sep 28

      76° /51°
      Mostly sunny and nice
      • Good
      • for stargazing
      • Cloud Cover: 43%
      • Precip: 5%
      • Hours of Precip: 0
      More
    • Fri

      Sep 29

      77° /48°
      Mostly sunny and comfortable
      • Excellent
      • for stargazing
      • Cloud Cover: 0%
      • Precip: 0%
      • Hours of Precip: 0
      More

    Day

    91°Hi RealFeel® 101° Precipitation 25%
    Sunny to partly cloudy and hot
    • Winds from the
    • S 5 mph
    • Gusts: 8 mph
    • Max UV Index: 13 (Extreme)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    65°Lo RealFeel® 66° Precipitation 3%
    Mainly clear and mild
    • Winds from the
    • S 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2016
    High 91° 76° N/A 89°
    Low 65° 52° N/A 63°

    Sunrise/Sunset

    • Sunrise: 6:53 AM
    • Sunset: 6:55 PM
    • Duration: 12:02 hr

    Moonrise/Moonset

    • Moonrise: 12:01 PM
    • Moonset: 10:26 PM
    • Duration: 10:25 hr
    Astronomy

    Solunar Information for St. Peters, MO

    Thu, Sep 28
    First
    Thu, Oct 5
    Full
    Thu, Oct 12
    Last
    Thu, Oct 19
    New

    Mon. Stargazing