• Today

    Aug 1

    90°Lo 62°

    Partly sunny and very warm

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

    Aug 2

    87°Lo 58°

    Sun mixing with clouds

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

    Aug 3

    85°Lo 57°

    A t-storm around in the p.m.

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

    Aug 4

    84°Lo 56°

    Partly sunny

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

    Aug 5

    87°Lo 57°

    Plenty of sunshine

    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
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Partly Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 64° 65° 67° 70° 73° 77° 82° 85°
RealFeel® 64° 64° 66° 72° 79° 86° 92° 94°
Humidity 79% 82% 77% 69% 60% 55% 50% 43%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 5 W 4 NW 4 ESE 4 SSW 4 S 4 SSE 5 S 5 SSW
UV Index 0 0 1 1 4 6 7 8
Cloud Cover 50% 70% 100% 91% 69% 44% 26% 15%
Dew Point 58° 60° 59° 60° 59° 60° 62° 60°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 90° 93° N/A 102°
Low 62° 54° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:11 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:14 PM with 11:39 of moolight, then sets at 8:53 AM

Lucerne Weather Report

San Francisco: Dry Weather Continues in the Bay Area

August 1, 2015; 1:51 AM 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