• Today

    Jun 19

    93°Lo 58°

    Partly sunny and warmer

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Thu

    Jun 20

    90°Lo 57°

    Plenty of sunshine

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate

  • Fri

    Jun 21

    92°Lo 60°

    Sunny to partly cloudy

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more

  • Sat

    Jun 22

    91°Lo 54°

    Mostly sunny and hot

    Extreme indoor dust & dander levels
    • Precip
      13%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      22%
    more

  • Sun

    Jun 23

    87°Lo 57°

    Partly sunny

    Extreme indoor dust & dander levels
    • Precip
      12%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      33%
    more
Next Previous
Hi 90° RealFeel® 92° Precipitation 6%

Day

N

E

S

W

  • E 6 mph
  • Gusts: 12 mph

Plenty of sunshine

  • Max UV Index: 10 (Extreme)
  • Thunderstorms: 24%
  • 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® 54° Precipitation 12%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 10 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Thornton Pollen Levels - June 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Jun 20

more Historical Weather Data >
  Today Normal Record 6/20/2012
High 90° 84° 97° (2007) 76°
Low 57° 54° 39° (1973) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 15:01 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:37 PM with 10:12 of moolight, then sets at 3:49 AM

Top Story

Thornton Weather Report

Tornado at Denver International Airport

June 19, 2013; 2:11 PM ET

A tornado touched down at Denver International Airport as a severe weather system moved through the area. more >

How to Grow an Enviable Garden

Jun 17, 2013; 5:00 AM ET Christopher Harner of Harner Farm discusses how weather extremes can impact vegetable and fruit production and offer tips to grow an enviable home garden.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps