National Weather Service United States Department of Commerce

Tropical Storm Bertha moving toward northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves toward the northeastern Caribbean, with maximum sustained winds of 45 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass just south of Puerto Rico on Saturday, before eventually curving to the north and northeast, away from the U.S. mainland.
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Current Conditions

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Castro Valley CA

7 Day Forecast

Today

Patchy Fog

Patchy
Fog

High: 89 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 59 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 85 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 57 °F

Sunday

Patchy Fog

Patchy
Fog

High: 80 °F

Sunday
Night

Patchy Fog

Patchy
Fog

Low: 57 °F

Monday

Patchy Fog

Patchy
Fog

High: 79 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 57 °F

Tuesday

Sunny

Sunny

High: 81 °F

Detailed Forecast

  • Today Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.
  • Tonight Partly cloudy, with a low around 59. West wind 5 to 8 mph becoming calm in the evening.
  • Saturday Mostly sunny, with a high near 85. Calm wind becoming west 5 to 9 mph in the afternoon.
  • Saturday Night Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light in the evening.
  • Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon.
  • Sunday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.
  • Monday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79.
  • Monday Night Mostly clear, with a low around 57.
  • Tuesday Sunny, with a high near 81.
  • Tuesday Night Mostly clear, with a low around 57.
  • Wednesday Sunny, with a high near 81.
  • Wednesday Night Mostly clear, with a low around 57.
  • Thursday Sunny, with a high near 78.