• Tonight

    Mar 4

    Lo 40°

    Clear and chilly

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Mar 5

    70°Lo 42°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Mar 6

    71°Lo 43°

    Pleasant with plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Mar 7

    73°Lo 44°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
  • Sun

    Mar 8

    72°Lo 45°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Clear
Temp (°F) 62° 64° 65° 67° 67° 65° 61° 56°
RealFeel® 72° 73° 70° 69° 66° 64° 62° 57°
Humidity 50% 45% 41% 40% 40% 44% 50% 57%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
0%
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 4 WSW 5 WNW 5 NW 6 NW 6 WNW 5 WNW 4 WNW 2 NW
UV Index 5 5 4 2 1 0 0 0
Cloud Cover 8% 8% 8% 9% 9% 9% 10% 0%
Dew Point 43° 42° 41° 42° 41° 42° 43° 41°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 67° N/A N/A 59°
Low 40° N/A N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 11:29 of sunlight, then sets at 6:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:29 PM with 12:54 of moolight, then sets at 6:23 AM

Orinda Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps