National Weather Service United States Department of Commerce

Wet weather continues across Pacific Northwest and New England

Two developing storm systems will continue to bring heavy rain to opposite coasts of the U.S. on Thursday. One system is affecting the Pacific Northwest and northern California while the other affects New England. There is a risk of flash flooding across parts of New England on Thursday where Flash Flood Watches are in effect.
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Current Conditions

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8 Miles S Portola Valley CA

7 Day Forecast

Overnight

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 76 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 77 °F

Friday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 53 °F

Saturday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 69 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 50 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 70 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 48 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 52. Calm wind.
  • Thursday Mostly sunny, with a high near 76. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
  • Thursday Night Partly cloudy, with a low around 53. West northwest wind around 6 mph becoming calm.
  • Friday Mostly sunny, with a high near 77. East wind around 7 mph becoming south in the morning.
  • Friday Night A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 53. South southeast wind around 8 mph.
  • Saturday Showers likely, mainly after 11am. Partly sunny, with a high near 69. Chance of precipitation is 60%.
  • Saturday Night A 40 percent chance of showers. Partly cloudy, with a low around 50.
  • Sunday Mostly sunny, with a high near 70.
  • Sunday Night Mostly clear, with a low around 48.
  • Monday Sunny, with a high near 71.
  • Monday Night Mostly clear, with a low around 50.
  • Tuesday Sunny, with a high near 72.
  • Tuesday Night Partly cloudy, with a low around 51.
  • Wednesday Mostly sunny, with a high near 73.