• Tonight

    Sep 1

    Lo 66°

    A thunderstorm in the area

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    82°Lo 54°

    A thunderstorm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    82°Lo 59°

    Partly sunny and beautiful

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

    Sep 4

    85°Lo 68°

    Very warm with some sunshine

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      45%
    more
  • Fri

    Sep 5

    85°Lo 56°

    Variably cloudy with t-storms

    Ragweed Pollen Weather
    • Precip
      66%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      78%
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 55%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 24 mph

Warm with variable clouds; a strong p.m. t-storm; storms can bring downpours and damaging winds

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 91%
  • Precipitation: 0.32 in
  • Rain: 0.32 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 66° RealFeel® 63° Precipitation 54%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 20 mph

Mostly cloudy and warm with a shower or thunderstorm in spots

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.6 in
  • Rain: 0.6 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Ann Arbor Pollen Levels - September 1

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 82° 79° 98° (1898) 82°
Low 66° 58° 42° (1886) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 13:09 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:52 PM with 10:09 of moolight, then sets at 12:01 AM

Top Story

Ann Arbor Weather Report

Detroit: Midweek Sunshine Provides Break Between Storms

September 1, 2014; 8:07 PM ET

After turbulent and unsettled weather kicks off September, Detroit will see calmer skies approaching midweek. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps