Share

Boston weather

current conditions

Mostly cloudy
Mostly cloudy
43F
34 F RealFeel temperature
EXPLAIN
6C
1 C RealFeel temperature
EXPLAIN
Last updated at 3:05 PM
14 mph WNWWind speed and direction
57%Relative humidity
29.76 inBarometric pressure
10 milesVisibility
1 of 10Sun exposure indexEXPLAIN

find weather

Search forecasts for more than 50,000 cities around the world

Detailed Boston forecast

This AfternoonPartly sunny. Highs in the lower 40s. West winds around 15 mph with gusts up to 30 mph.

TonightMostly cloudy in the evening...then becoming partly 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 3:05 PM
(Click volume button to enable audio)
Video weather forecast brought to you by WBZ CBS Boston

seven-day forecast

Thursday, Dec 18
Clouds breaking
Clouds breaking
44F|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
Thickening clouds
Thickening clouds
43F|36F
Tuesday, Dec 23
A chance of rain
A chance of rain
47F|40F
Wednesday, Dec 24
Rain possible; windy
Rain possible; windy
53F|38F
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
EXPLAIN

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
EXPLAIN

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

EXPLAIN
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