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Boston weather

current conditions

Partly sunny
Partly sunny
52F
56 F RealFeel temperature
EXPLAIN
11C
13 C RealFeel temperature
EXPLAIN
Last updated at 10:46 AM
7 mph SSWWind speed and direction
37%Relative humidity
30.18 inBarometric pressure
10 milesVisibility
7 of 10Sun exposure indexEXPLAIN

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Detailed Boston forecast

This AfternoonSunny. Not as cool with highs in the lower 60s. South winds 10 to 15 mph.

TonightMostly clear in the evening...then becoming partly cloudy. Lows in the mid 40s. Southwest winds 5 to 10 mph.

National Weather Service forecast for Boston and Suffolk County. Last updated at 10:46 AM
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seven-day forecast

Monday, Apr 21
Mostly sunny; warmer
Mostly sunny; warmer
64F|47F
Tuesday, Apr 22
Clouds and sun
Clouds and sun
67F|45F
Wednesday, Apr 23
A shower or two
A shower or two
58F|40F
Thursday, Apr 24
Breezy with sunshine
Breezy with sunshine
61F|41F
Friday, Apr 25
Partly sunny
Partly sunny
62F|46F
Saturday, Apr 26
Spotty showers
Spotty showers
61F|45F
Sunday, Apr 27
Some sunshine
Some sunshine
57F|42F
Local doppler
Mass. precip.
Mass. clouds
US forecast
US travel weather

Precipitation Totals

2.26 inchesPrecipitation this month
0.3 inchesSnow this month
14.1 inchesPrecipitation this year
47.0 inchesSnow this year

Boston weather almanac

Today in weather history

88 (1957)Highest high temperature
38 (1947)Lowest high temperature
21 (1875)Lowest low temperature
65 (1923)Highest low temperature
3.32 (1991)Most precipitation
0.2 (1947)Greatest snowfall

Yesterday's weather

ActualHistoric average
4857High temperature
3942Low temperature
4450Average temperature
0.0 inches--Precipitation
0.0 inches--Snowfall
0.0 inches--Existing snow cover
21--Heating degree days
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This month in weather history

48.1Average temp for month
55.9Average high for month
40.2Average low for month
3.6 inchesAverage monthly precip
7.0Average clear days
8.1Average partly cloudy days
7.0Average cloudy days

Weather one year ago

ActualHistoric average
5058High temperature
3742Low temperature
44--Average temperature
21--Heating degree days
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Marine Conditions

42 F.Surf temperature
2-4 Ft Wave heights
S at 9-18 knotsWinds

SOLAR / LUNAR DATA

Upcoming phases of the moon

  • phase
    April 21
  • phase
    April 22
  • phase
    April 29
  • phase
    May 7
  • phase
    May 14

Sun and moon forecast

5:54 AMSunrise
7:32 PMSunset
1:03 AMMoonrise
11:16 AMMoonset

Boston pollen levels

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

AIR QUALITY / ULTRAVIOLET INDEX

EXPLAIN
GOODBAD
AIR QUALITY
G
LOWEXTREME
U.V. RAYS
6

TEMPERATURE EXTREMES

United States

04/21National High Today (through 9 p.m.) 102 at Death Valley, California

04/21National Low Today (through 9 p.m.) 16 at Saranac Lake, New York

World

04/21Global High Yesterday 114 at Matam, Senegal

04/21Global Low -23 at Resolute, Canada