Waltham, MA Weather - Extended Forecast

Saturday

Fog in some areas

High:
82°F

Areas of fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.

Saturday Night

Dense fog

Overnight low:
66°F

Widespread dense fog after 10pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.

Sunday

Dense fog

High:
84°F

Widespread dense fog before 10am. Otherwise, partly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon.

Sunday Night

Partly cloudy

Overnight low:
67°F

Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 67. South wind around 6 mph becoming calm in the evening.

Monday

Fog in some areas

High:
86°F

Monday Night

Mostly cloudy

Overnight low:
70°F

Tuesday

Patchy fog

High:
89°F

Tuesday Night

Mostly cloudy

Overnight low:
70°F

Wednesday

Hot

High:
90°F