• Tonight

    Sep 18

    Lo 34°

    Partly cloudy and chilly

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    62°Lo 47°

    Mostly sunny and cool

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

    Sep 20

    73°Lo 61°

    Breezy with periods of sun

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

    Sep 21

    71°Lo 49°

    Mostly cloudy with showers

    Low ragweed pollen levels
    • Precip
      87%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      82%
    more
  • Mon

    Sep 22

    58°Lo 45°

    Cooler with variable clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 61° RealFeel® 60° Precipitation 35%

Day

N

E

S

W

  • NNW 8 mph
  • Gusts: 18 mph

Cool with times of clouds and sun

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 34° RealFeel® 34° Precipitation 9%

Night

N

E

S

W

  • ENE 3 mph
  • Gusts: 8 mph

Partly cloudy and chilly; there can be frost in the normally colder spots

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

North Bay Pollen Levels - September 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 61° 70° 91° (1955) 73°
Low 34° 49° 36° (1990) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:22 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:30 AM with 14:33 of moolight, then sets at 4:03 PM

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps