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Boston weather

current conditions

Mostly cloudy
Mostly cloudy
81F
81 F RealFeel temperature
EXPLAIN
27C
27 C RealFeel temperature
EXPLAIN
Last updated at 1:35 PM
16 mph SWind speed and direction
60%Relative humidity
29.81 inBarometric pressure
10 milesVisibility
5 of 10Sun exposure indexEXPLAIN

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Detailed Boston forecast

This AfternoonMostly cloudy. Scattered showers. Near steady temperature in the upper 70s. South winds 10 to 15 mph. Chance of rain 40 percent.

TonightMostly cloudy. Patchy fog. Humid with lows in the lower 60s. East winds 5 to 10 mph...becoming southwest after midnight.

National Weather Service forecast for Boston and Suffolk County. Last updated at 1:35 PM
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seven-day forecast

Sunday, Sep 21
Spotty showers
Spotty showers
81F|61F
Monday, Sep 22
Clouds and sun
Clouds and sun
73F|51F
Tuesday, Sep 23
Mostly sunny
Mostly sunny
69F|53F
Wednesday, Sep 24
Plenty of sunshine
Plenty of sunshine
66F|49F
Thursday, Sep 25
Plenty of sunshine
Plenty of sunshine
70F|53F
Friday, Sep 26
Mostly sunny; nice
Mostly sunny; nice
75F|57F
Saturday, Sep 27
Sunny and pleasant
Sunny and pleasant
76F|59F
Local doppler
Mass. precip.
Mass. clouds
US forecast
US travel weather

Precipitation Totals

0.51 inchesPrecipitation this month
0.0 inchesSnow this month
27.39 inchesPrecipitation this year
48.0 inchesSnow this year

Boston weather almanac

Today in weather history

94 (1895)Highest high temperature
55 (1977)Lowest high temperature
40 (1929)Lowest low temperature
69 (1983)Highest low temperature
2.77 (1961)Most precipitation
0.0 (n.a.)Greatest snowfall

Yesterday's weather

ActualHistoric average
7371High temperature
4756Low temperature
6064Average temperature
0.0 inches--Precipitation
0.0 inches--Snowfall
0.0 inches--Existing snow cover
5--Heating degree days
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This month in weather history

64.8Average temp for month
72.8Average high for month
56.8Average low for month
3.1 inchesAverage monthly precip
10.3Average clear days
8.1Average partly cloudy days
10.3Average cloudy days

Weather one year ago

ActualHistoric average
7771High temperature
5756Low temperature
67--Average temperature
0--Heating degree days
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Marine Conditions

61 F.Surf temperature
3-6 Ft Wave heights
SE at 10-20 knotsWinds

SOLAR / LUNAR DATA

Upcoming phases of the moon

  • phase
    September 21
  • phase
    September 24
  • phase
    October 1
  • phase
    October 8
  • phase
    October 15

Sun and moon forecast

6:30 AMSunrise
6:44 PMSunset
3:59 AMMoonrise
5:19 PMMoonset

Boston pollen levels

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

AIR QUALITY / ULTRAVIOLET INDEX

EXPLAIN
GOODBAD
AIR QUALITY
G
LOWEXTREME
U.V. RAYS
3

TEMPERATURE EXTREMES

United States

09/21National High Today (through 9 p.m.) 104 at Bullhead City, Ariz.

09/21National Low Today (through 9 p.m.) 25 at Wisdom, Mont.

World

09/21Global High Yesterday 112 at Hassi-Messaoud, Algeria

09/21Global Low -28 at Summit Station, Greenland