• Today

    Sep 18

    68°Lo 58°

    Variably cloudy with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Sep 19

    67°Lo 58°

    Low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sat

    Sep 20

    67°Lo 59°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Sun

    Sep 21

    67°Lo 59°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      48%
    more
  • Mon

    Sep 22

    66°Lo 58°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      19%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 62° 63° 64° 65° 65° 67° 66° 65°
RealFeel® 61° 64° 66° 68° 68° 70° 68° 66°
Humidity 84% 81% 81% 80% 79% 76% 78% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 WSW 5 WSW 5 WSW 6 WSW 6 WSW 7 WSW 7 WSW 6 WSW
UV Index 1 2 2 3 4 5 4 3
Cloud Cover 76% 76% 76% 76% 76% 25% 25% 25%
Dew Point 57° 57° 58° 59° 59° 59° 59° 59°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 67° 66° N/A 64°
Low 59° 49° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 12:14 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:44 AM with 13:29 of moolight, then sets at 5:13 PM

Top Story

Half Moon Bay Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 6:37 AM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Sat. Dust & Dander

Sat. Wind Maps