• Today

    Jul 31

    81°Lo 57°

    Mostly sunny

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

    Aug 1

    91°Lo 58°

    Pleasant and warmer

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

    Aug 2

    89°Lo 56°

    Areas of low clouds, then sun

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

    Aug 3

    85°Lo 56°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      0%
    more
  • Mon

    Aug 4

    78°Lo 55°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      1%
    more
Next Previous
Hi 81° RealFeel® 82° Precipitation 0%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 13 mph

Mostly sunny

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 57° RealFeel® 55° Precipitation 0%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 11 mph

Mainly clear

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

American Canyon Pollen Levels - July 31

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 81° 70° N/A 70°
Low 57° 56° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:09 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:39 AM with 12:01 of moolight, then sets at 10:40 PM

Top Story

American Canyon Weather Report

VIDEO: California Wildfires Persist in Sierra Nevada Foothills, Yosemite National Park

July 31, 2014; 7:43 AM ET

A wildfire that has already destroyed more than 60 structures is threatening more in the Sierra Nevada foothills near Plymouth, California, according to state fire officials. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps