Weather Forecast for Cambridge (US)

Massachusetts, United States of America

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Clear

Current Weather - Cambridge (US): 27°C

Massachusetts, United States of America

Clear

Feels like 27°C

Wind

16 km/h NW

Humidity

64%

Pressure

1006 mb

UV Index

0

Visibility

16 km

Sunny

Sunny

Saturday, June 13, 2026

High

33°C

Low

21°C

Rain Chance

1%

Hourly Forecast

Sunny 25°C
08:00
Sunny 26°C
09:00
Sunny 29°C
10:00
Sunny 31°C
11:00
Sunny 30°C
12:00
Sunny 30°C
13:00
Sunny 30°C
14:00
Sunny 31°C
15:00
Sunny 30°C
16:00
Sunny 30°C
17:00
Sunny 29°C
18:00
Sunny 26°C
19:00
Sunny 24°C
20:00
Clear 23°C
21:00
Clear 22°C
22:00
Clear 21°C
23:00
Jun 14

Day Statistics

Maximum Wind

16 km/h

Humidity

44%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

1%

Snow Chance

0%

Sun & Moon

Sunrise

05:06 AM

Sunset

08:22 PM

Moonrise

03:05 AM

Moonset

06:59 PM

Moon Phase

New Moon

Moon Illumination

1%

Air Quality

PM2.5

3.9

μg/m³

PM10

4.3

μg/m³

NO₂

4.3

μg/m³

O₃

91.5

μg/m³

SO₂

0.5

μg/m³

CO

128.3

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Air Quality Alert issued June 12 at 2:48AM EDT by NWS Boston/Norton MA

Northern Bristol; Western Plymouth; Eastern Plymouth; Southern Bristol; Southern Plymouth; Barnstable; Dukes; Nantucket Jun 12, 02:48 AM - Jun 12, 11:15 PM
Severity: Unknown Urgency: Unknown

The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM this morning to 11 PM EDT this evening. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast

Event: Air Quality Alert Certainty: Unknown Category: Met

Beach Hazards Statement issued June 12 at 2:38PM EDT until June 13 at 8:00PM EDT by NWS Gray ME

Coastal York; Coastal Cumberland; Sagadahoc; Lincoln; Knox; Coastal Waldo; Coastal Rockingham Jun 12, 02:38 PM - Jun 12, 10:45 PM
Severity: Moderate Urgency: Expected

* WHAT...Warm air temperatures in the 80s to low 90s may cause people to underestimate the dangers of the cold water temperatures in the low to mid 50s. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. When the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks. Anyone on boats or paddlecraft should use extreme caution to avoid this threat.

A Beach Hazards Statement is issued on days when a significant number of boats and paddlecraft are expected to be out on the water and when warm air temperatures may cause people to underestimate the danger of the cold water. Paddle smart from the start. Always wear your life jacket. Be aware of wind conditions, tides, and localized currents. All boaters and paddlers are highly encouraged to contact the U.S. Coast Guard Auxiliary or U.S. Power Squadrons at https://cgaux.org/vsc/ to receive a FREE vessel check. This is a convenient, no consequence way to ensure your vessel is outfitted with all required safety equipment. Additionally, please label your paddlecraft with your contact information (IF FOUND Sticker) in the event it is found adrift on the water.

Event: Beach Hazards Statement Certainty: Likely Category: Met