• Early AM

    Jul 30

    Lo 64°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Jul 30

    99°Lo 65°

    Hot with blazing sunshine

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

    Jul 31

    93°Lo 63°

    Partly sunny and very warm

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

    Aug 1

    93°Lo 63°

    Partly sunny and very warm

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

    Aug 2

    88°Lo 59°

    Warm with sun, some clouds

    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 >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Temp (°F) 71° 69° 68° 67° 68° 67° 65° 69°
RealFeel® 69° 67° 66° 66° 66° 65° 64° 70°
Humidity 60% 63% 61% 62% 64% 64% 76% 66%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 WNW 5 NW 4 NW 4 NNW 2 NNW 2 NNW 2 N 2 NE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 10% 10% 10% 10% 10% 10% 10% 45%
Dew Point 57° 56° 54° 54° 55° 55° 57° 57°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 93° 93° N/A 103°
Low 63° 54° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:13 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:32 PM with 11:10 of moolight, then sets at 7:42 AM

Lucerne Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 4:31 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps