• Early AM

    Sep 1

    Lo 64°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Sep 1

    86°Lo 62°

    Sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Sep 2

    91°Lo 68°

    Mostly sunny and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
  • Thu

    Sep 3

    88°Lo 62°

    A thunderstorm in the area

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 4

    77°Lo 53°

    Sunny and not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 91° RealFeel® 95° Precipitation 9%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 9 mph

Mostly sunny and hot

  • Max UV Index: 6 (High)
  • Thunderstorms: 11%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 70° Precipitation 9%

Night

N

E

S

W

  • NW 4 mph
  • Gusts: 7 mph

Mainly clear and warm

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Groton Pollen Levels - September 2

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

    Low

  • Mold Pollen

    Low

  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 91° 78° 99° (1953) 92°
Low 68° 54° 36° (1971) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:10 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:11 PM with 13:35 of moolight, then sets at 10:46 AM

Groton Weather Report

Boston: Sizzling Heat to Start September

August 31, 2015; 3:04 PM ET

July-like warmth and humidity will continue around Boston for the first week of September. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps