• Today

    Sep 17

    99°Lo 67°

    A heavy afternoon t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 18

    89°Lo 62°

    Sunny to partly cloudy

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

    Sep 19

    85°Lo 59°

    Times of clouds and sun

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

    Sep 20

    88°Lo 59°

    Mostly sunny

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      18%
    more
  • Sun

    Sep 21

    91°Lo 62°

    Sunny and seasonably warm

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      9%
    more
Next Previous
Hi 99° RealFeel® 101° Precipitation 55%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 14 mph

Mostly sunny and humid; a heavy afternoon thunderstorm; watch for flash flooding

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 40%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 67° RealFeel® 63° Precipitation 55%

Night

N

E

S

W

  • W 3 mph
  • Gusts: 8 mph

A shower or heavy thunderstorm this evening; otherwise, patchy clouds; watch for flash flooding

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Riverside Pollen Levels - September 17

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 99° N/A N/A 89°
Low 67° N/A N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 12:19 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:49 AM with 14:06 of moolight, then sets at 2:55 PM

Top Story

Riverside Weather Report

Los Angeles: Odile to Slice Through Heat by Late Week, Stir Rough Surf

September 17, 2014; 1:20 AM ET

Extremely warm temperatures will remain throughout the Los Angeles Basin for the next couple of days, but by week's end temperatures are expected to become fairly typical. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps