• Early AM

    May 4

    Lo 50°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Today

    May 4

    82°Lo 60°

    Sunny, nice and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    May 5

    74°Lo 49°

    Thundershower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    May 6

    76°Lo 49°

    Mostly sunny, nice and warm

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      25%
  • Thu

    May 7

    78°Lo 51°

    Mostly sunny, nice and warm

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      20%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Temp (°F) 60° 65° 69° 71° 74° 76° 73° 70°
RealFeel® 64° 71° 75° 79° 81° 81° 77° 72°
Humidity 51% 42% 34% 28% 25% 25% 29% 33%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 N 5 NNE 5 NE 6 N 7 NNW 8 NW 8 NW 9 NW
UV Index 2 4 5 6 7 6 6 4
Cloud Cover 50% 49% 46% 40% 32% 23% 14% 5%
Dew Point 42° 41° 40° 37° 36° 38° 39° 40°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - May 6

more Historical Weather Data >
  Today Normal Record 5/6/2014
High 76° 67° N/A 64°
Low 49° 43° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:17 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:22 PM with 9:59 of moolight, then sets at 8:21 AM

Lancaster Weather Report

Boston: Warmest Day So Far in 2015 to Unfold Monday

May 4, 2015; 12:47 AM ET

A surge of warmth into the Northeast will create Boston's warmest day so far this year on Monday. more >

Wed. Dust & Dander

Wed. Wind Maps