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    • Today

      Feb 28

      62° /38°F
      A strong p.m. thunderstorm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Wed

      Mar 1

      40° /26°
      Rain to snow, 1-3"
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Mar 2

      37° /19°
      Mostly cloudy, a bit of snow
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Fri

      Mar 3

      39° /30°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sat

      Mar 4

      56° /40°
      Mostly cloudy; breezy, warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    62°Hi RealFeel® 59° Precipitation 60%
    A shower, areas of fog, then a strong thunderstorm; storms may bring downpours and damaging winds
    • S 9 mph
    • Gusts: 21 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 91%
    • Precipitation: 0.23 in
    • Rain: 0.23 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    38°Lo RealFeel® 29° Precipitation 66%
    Periods of rain
    • NNW 7 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.31 in
    • Rain: 0.31 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5.5 hrs
    • Hours of Rain: 5.5 hrs

    Janesville Pollen Levels Feb 28

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/28/2016
    High 62° 37° N/A 61°
    Low 38° 19° N/A 34°

    Sunrise/Sunset

    • Sunrise: 6:34 AM
    • Sunset: 5:44 PM
    • Duration: 11:10 hr

    Moonrise/Moonset

    • Moonrise: 7:48 AM
    • Moonset: 8:17 PM
    • Duration: 12:29 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps