Boston weather

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current conditions

Fog
Fog
52°F
47° F RealFeel temperature
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11°C
8° C RealFeel temperature
EXPLAIN
Last updated at 10:05 PM
9 mph NEWind speed and direction
92%Relative humidity
30.0 inBarometric pressure
3 milesVisibility
5 of 10Tanning indexEXPLAIN

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Detailed Boston forecast

TonightCloudy. A chance of showers and thunderstorms this evening...then a slight chance of showers with isolated thunderstorms after midnight. Patchy fog this evening...then areas of fog after midnight. Near steady temperature in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Memorial Day Through TuesdayMostly clear. Highs in the upper 60s. Lows in the lower 50s.

National Weather Service forecast for Boston and Suffolk County. Last updated at 10:05 PM
Video weather forecast brought to you by WBZ CBS Boston

seven-day forecast

Tuesday, May 21
A stray p.m. t-storm
A stray p.m. t-storm
66°F|52°F
Wednesday, May 22
A t-storm; warmer
A t-storm; warmer
78°F|63°F
Thursday, May 23
A shower or t-storm
A shower or t-storm
72°F|60°F
Friday, May 24
Breezy with rain
Breezy with rain
66°F|49°F
Saturday, May 25
A passing shower
A passing shower
64°F|47°F
Sunday, May 26
Mostly sunny; breezy
Mostly sunny; breezy
65°F|49°F
Monday, May 27
Mostly sunny
Mostly sunny
69°F|54°F
Local doppler
Mass. precip.
Mass. clouds
US forecast
US travel weather

Precipitation Totals

1.31 inchesPrecipitation this month
0.0 inchesSnow this month
10.67 inchesPrecipitation this year
60.0 inchesSnow this year

Boston weather almanac

Today in weather history

93° (1921)Highest high temperature
45° (1990)Lowest high temperature
41° (1907)Lowest low temperature
66° (1996)Highest low temperature
2.24 (1889)Most precipitation
0.0 (n.a.)Greatest snowfall

Yesterday's weather

ActualHistoric average
82°67°High temperature
56°51°Low temperature
69°59°Average temperature
0.04 inches--Precipitation
0.0 inches--Snowfall
0.0 inches--Existing snow cover
0--Heating degree days
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This month in weather history

58.2°Average temp for month
66.6°Average high for month
49.8°Average low for month
3.3 inchesAverage monthly precip
6.3Average clear days
9.9Average partly cloudy days
6.3Average cloudy days

Weather one year ago

ActualHistoric average
59°68°High temperature
54°51°Low temperature
57°--Average temperature
8--Heating degree days
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Marine Conditions

57 F.Surf temperature
2-4 Ft Wave heights
E at 8-15 knotsWinds

SOLAR / LUNAR DATA

Upcoming phases of the moon

  • phase
    May 21
  • phase
    May 25
  • phase
    May 31
  • phase
    June 8
  • phase
    June 16

Sun and moon forecast

5:17 AMSunrise
8:05 PMSunset
4:11 PMMoonrise
2:48 AMMoonset

Boston pollen levels

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

AIR QUALITY / ULTRAVIOLET INDEX

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GOODBAD
AIR QUALITY
M
LOWEXTREME
U.V. RAYS
4

TEMPERATURE EXTREMES

United States

05/21National High Today (through 9 p.m.) 103 at Ocotillo Wells, California

05/21National Low Today (through 9 p.m.) 22 at Bridgeport, California

World

05/21Global High Yesterday 119 at Nawabshah, Pakistan

05/21Global Low -7 at Summit Station, Greenland