• Today

    Sep 1

    96°Lo 59°

    Brilliant sunshine and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Tue

    Sep 2

    93°Lo 55°

    Hot with plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Sep 3

    92°Lo 58°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Sep 4

    90°Lo 53°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      35%
    more
  • Fri

    Sep 5

    90°Lo 53°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      18%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 59° 66° 71° 77° 84° 90° 92° 94°
RealFeel® 57° 63° 72° 80° 89° 96° 98° 100°
Humidity 80% 64% 55% 45% 36% 30% 25% 22%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 3 NNW 4 NNW 3 NNW 3 NNW 2 SSE 2 WSW 2 W 3 WNW
UV Index 0 1 2 4 5 6 7 6
Cloud Cover 21% 27% 20% 7% 0% 0% 0% 0%
Dew Point 52° 53° 54° 54° 55° 55° 52° 50°
Middle Grid line 95 F 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 Middle Grid line 55 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 96° 89° N/A 89°
Low 59° 51° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 13:02 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:28 PM with 10:22 of moolight, then sets at 11:50 PM

Top Story

Lucerne Weather Report

San Francisco: Bright, Sunny for First Week of September

September 1, 2014; 1:53 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps