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    • Tonight

      Sep 29

      49° Lo F
      Increasing cloudiness
      • Migraine Headache
      • Weather
      • Hi RealFeel: 73°
      • UV: 4 - Moderate
      • Cloud Cover: 51%
    • Fri

      Sep 30

      70° /47°
      Low clouds, then some sun
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 71°
      • UV: 4 - Moderate
      • Cloud Cover: 63%
      More
    • Sat

      Oct 1

      72° /47°
      Cool with low clouds breaking
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 73°
      • UV: 4 - Moderate
      • Cloud Cover: 70%
      More
    • Sun

      Oct 2

      64° /47°
      An afternoon shower in spots
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 65°
      • UV: 4 - Moderate
      • Cloud Cover: 76%
      More
    • Mon

      Oct 3

      66° /47°
      Partly sunny and cool
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 69°
      • UV: 4 - Moderate
      • Cloud Cover: 30%
      More

    Day

    70°Hi RealFeel® 73° Precipitation 2%
    Low clouds followed by sunshine and not as warm
    • WSW 8 mph
    • Gusts: 20 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 12%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    49°Lo RealFeel® 48° Precipitation 7%
    Mainly clear this evening followed by low clouds late
    • W 6 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 9/29/2015
    High 70° 80° N/A 69°
    Low 49° 50° N/A 56°

    Sunrise/Sunset

    • Sunrise: 7:05 AM
    • Sunset: 6:55 PM
    • Duration: 11:50 hr

    Moonrise/Moonset

    • Moonrise: 5:48 AM
    • Moonset: 6:31 PM
    • Duration: 12:43 hr
    Astronomy

    Petaluma Weather Report

    Cooler air, showers to aid in wildfire efforts across California this weekend

    September 29, 2016; 7:24 PM ET

    Improving weather over the next several days will aid officials in battling wildfires across California. More >

    Thu. Migraine Headache

    Thu. UV Index