National Weather Service United States Department of Commerce

Heavy rain forecast for Pacific Northwest this week

A cold front moving onshore along the Pacific Northwest and northern California coast will bring heavy rain to the region through the first part of the week. A second cold front expected to move onshore by late Tuesday, bringing additional rain and higher-elevation snow to the region.
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Current Conditions

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Petaluma CA

7 Day Forecast

Late
Afternoon

Showers Chance for Measurable Precipitation 80%

Showers

High: 68 °F

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 44 °F

Tuesday

Sunny

Sunny

High: 69 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 47 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 71 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 51 °F

Thursday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 72 °F

Thursday
Night

Slight Chance Rain

Slight Chc
Rain

Low: 52 °F

Friday

Slight Chance Rain

Slight Chc
Rain

High: 72 °F

Detailed Forecast

  • Late Afternoon Showers. High near 68. West wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
  • Tonight A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 44. Northwest wind 6 to 15 mph, with gusts as high as 20 mph.
  • Tuesday Sunny, with a high near 69. North northwest wind 5 to 9 mph becoming light and variable.
  • Tuesday Night Partly cloudy, with a low around 47. Northwest wind 6 to 13 mph.
  • Wednesday Partly sunny, with a high near 71. West wind around 7 mph.
  • Wednesday Night Mostly cloudy, with a low around 51.
  • Thursday A 20 percent chance of rain after 11am. Cloudy, with a high near 72.
  • Thursday Night A slight chance of rain. Mostly cloudy, with a low around 52.
  • Friday A slight chance of rain. Partly sunny, with a high near 72.
  • Friday Night A chance of rain. Mostly cloudy, with a low around 51.
  • Saturday A chance of rain. Mostly cloudy, with a high near 70.
  • Saturday Night Mostly cloudy, with a low around 47.
  • Sunday Mostly sunny, with a high near 69.
  • Sunday Night Mostly clear, with a low around 46.
  • Monday Sunny, with a high near 71.