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Boston weather

current conditions

Cloudy
Cloudy
40F
28 F RealFeel temperature
EXPLAIN
4C
-2 C RealFeel temperature
EXPLAIN
Last updated at 10:45 AM
16 mph WWind speed and direction
73%Relative humidity
29.78 inBarometric pressure
10 milesVisibility
1 of 10Sun exposure indexEXPLAIN

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Detailed Boston forecast

This AfternoonMostly cloudy with isolated rain and snow showers...then partly sunny. Highs in the lower 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 20 percent.

TonightPartly cloudy. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

National Weather Service forecast for Boston and Suffolk County. Last updated at 10:45 AM
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seven-day forecast

Thursday, Dec 18
Increasingly windy
Increasingly windy
45F|30F
Friday, Dec 19
Sun, some clouds
Sun, some clouds
38F|27F
Saturday, Dec 20
Inc. clouds
Inc. clouds
36F|32F
Sunday, Dec 21
Partly sunny
Partly sunny
38F|33F
Monday, Dec 22
Clouds and sun
Clouds and sun
43F|36F
Tuesday, Dec 23
A chance of rain
A chance of rain
47F|40F
Wednesday, Dec 24
Rain possible; windy
Rain possible; windy
55F|28F
Local doppler
Mass. precip.
Mass. clouds
US forecast
US travel weather

Precipitation Totals

5.54 inchesPrecipitation this month
0.3 inchesSnow this month
44.22 inchesPrecipitation this year
50.0 inchesSnow this year

Boston weather almanac

Today in weather history

61 (1990)Highest high temperature
12 (1919)Lowest high temperature
-6 (1919)Lowest low temperature
45 (1996)Highest low temperature
1.44 (1951)Most precipitation
4.0 (1904)Greatest snowfall

Yesterday's weather

ActualHistoric average
4941High temperature
4128Low temperature
4534Average temperature
0.43 inches--Precipitation
0.0 inches--Snowfall
0.0 inches--Existing snow cover
20--Heating degree days
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This month in weather history

33.6Average temp for month
40.4Average high for month
26.7Average low for month
4.0 inchesAverage monthly precip
8.6Average clear days
7.5Average partly cloudy days
8.6Average cloudy days

Weather one year ago

ActualHistoric average
3640High temperature
1927Low temperature
28--Average temperature
37--Heating degree days
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Marine Conditions

46 F.Surf temperature
4-8 Ft Wave heights
W at 25-50 knotsWinds

SOLAR / LUNAR DATA

Upcoming phases of the moon

  • phase
    December 18
  • phase
    December 22
  • phase
    December 28
  • phase
    January 5
  • phase
    January 13

Sun and moon forecast

7:08 AMSunrise
4:13 PMSunset
3:14 AMMoonrise
1:54 PMMoonset

Boston pollen levels

LOWHIGH
GRASS
1 of 5
WEED
2 of 5
MOLD
3 of 5
TREE
4 of 5
OVERALL
N of 5

AIR QUALITY / ULTRAVIOLET INDEX

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GOODBAD
AIR QUALITY
G
LOWEXTREME
U.V. RAYS
1

TEMPERATURE EXTREMES

United States

12/18National High Today (through 9 pm) 81 at Fort Lauderdale, Florida

12/18National Low Today (through 9 pm) -6 at Langdon, North Dakota

World

12/18Global High Yesterday 112 at Winton, Australia

12/18Global Low -67 at Sebyan-Kyuel', Russia