• Today

    Aug 1

    68°Lo 59°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    Aug 2

    65°Lo 58°

    Clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Aug 3

    64°Lo 58°

    Clouds breaking for sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Aug 4

    66°Lo 57°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Aug 5

    63°Lo 56°

    Low clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    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
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 66° 67° 66° 66° 66° 67° 66° 67°
RealFeel® 67° 71° 71° 74° 74° 73° 70° 69°
Humidity 77% 78% 85% 83% 83% 82% 83% 81%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SSW 7 WSW 8 WSW 7 S 8 S 9 SW 12 WSW 12 W
UV Index 2 4 6 8 8 8 6 5
Cloud Cover 85% 67% 42% 34% 35% 21% 25% 25%
Dew Point 59° 60° 61° 61° 61° 61° 61° 61°
Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 68° 66° N/A 63°
Low 59° 53° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 14:04 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:11 PM with 11:42 of moolight, then sets at 8:53 AM

Half Moon Bay Weather Report

San Francisco: Dry Weather Continues in the Bay Area

August 1, 2015; 7:10 PM ET

The only fly in the ointment in the forecast will be low morning clouds which may cause travel delays at San Francisco International Airport. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps