Weather Forecast for Cambridge (US)

Massachusetts, United States of America

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Current Weather - Cambridge (US): 13°C

Massachusetts, United States of America

Clear

Feels like 9°C

Wind

22 km/h NE

Humidity

64%

Pressure

1032 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Thursday, September 24, 2026

High

16°C

Low

13°C

Rain Chance

17%

Hourly Forecast

Patchy rain nearby 15°C
10:00
Patchy rain nearby 15°C
11:00
Patchy rain nearby 16°C
12:00
Sunny 16°C
13:00
Patchy rain nearby 16°C
14:00
Overcast 15°C
15:00
Overcast 15°C
16:00
Overcast 15°C
17:00
Cloudy 14°C
18:00
Cloudy 13°C
19:00
Overcast 13°C
20:00
Overcast 14°C
21:00
Overcast 14°C
22:00
Overcast 14°C
23:00
Sep 25

Day Statistics

Maximum Wind

26 km/h

Humidity

66%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

17%

Snow Chance

0%

Sun & Moon

Sunrise

06:34 AM

Sunset

06:38 PM

Moonrise

05:44 PM

Moonset

04:27 AM

Moon Phase

Full Moon

Moon Illumination

99%

Air Quality

PM2.5

7.1

μg/m³

PM10

9.6

μg/m³

NO₂

6.8

μg/m³

O₃

66.7

μg/m³

SO₂

1

μg/m³

CO

151.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Small Craft Advisory issued September 23 at 3:58PM EDT until September 25 at 8:00AM EDT by NWS Boston/Norton MA

Boston Harbor Sep 23, 03:58 PM - Sep 24, 05:00 AM
Severity: Minor Urgency: Expected

* WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 3 feet. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 2 to 4 feet expected. * WHERE...Boston Harbor. * WHEN...For the Small Craft Advisory, until 8 AM EDT Friday. For the Gale Warning, from 8 AM Friday to 8 PM EDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met

Gale Warning issued September 23 at 3:58PM EDT until September 26 at 8:00PM EDT by NWS Boston/Norton MA

Boston Harbor Sep 23, 03:58 PM - Sep 24, 05:00 AM
Severity: Moderate Urgency: Expected

* WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 3 feet. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 2 to 4 feet expected. * WHERE...Boston Harbor. * WHEN...For the Small Craft Advisory, until 8 AM EDT Friday. For the Gale Warning, from 8 AM Friday to 8 PM EDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Event: Gale Warning Certainty: Likely Category: Met