Today | Weather | Monday, February 23, 2026

Active Weather Warnings

Weather in Cambridge, Massachusetts

06:01 PM

Now

28° F

Feels Like 7°

Precipitation 72 %

Wind 24 mph

Humidity 74 %

Today

Day 30°

Night 23°

Precipitation 100 %

Wind 27 mph

UV Index (0 - 11+) 1

FROST FORECAST

Tomorrow Morning Frost 7 AM – 8 AM

Warning: Strong Winds Today: 27 mph

Cambridge Weather Forecast Updated

52 minutes ago

Last updated on February 23, 2026 at 5:09 PM

Weather Forecast History

Last Year's Weather on This Day (February 23, 2025)

Day

41°

Night

19°

Wind

11 mph

UV Index

Precipitation

25 %

Air Quality in Cambridge

NOW

49 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.5 µg/m³

PM₁₀ 0.63 µg/m³

O₃ 0.053 ppm

NO₂ 1.4 ppb

SO₂ 0.1 ppb

CO 0.13 ppm

NH₃ 0.11 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 0.5 µg/m³

PM₁₀ – 0.63 µg/m³

O₃ – 103.93 µg/m³

NO₂ – 2.6 µg/m³

SO₂ – 0.25 µg/m³

CO – 150.64 µg/m³

NH₃ – 0.11 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Cambridge

Extreme Expected Likely

Blizzard Warning

Blizzard Warning issued February 23 at 4:47PM EST until February 24 at 7:00AM EST by NWS Boston/Norton MA

Feb 23, 4:47 PM → Feb 24, 7:00 AM

WHAT: Blizzard conditions. Additional snow accumulations up to
two inches. Winds gusting as high as 60 mph.

WHERE: Portions of eastern, northeastern, and southeastern
Massachusetts and northern and southern Rhode Island.

WHEN: Until 7 AM EST Tuesday.

IMPACTS: Visibilities may drop below 1/4 mile due to falling and
blowing snow. The strong winds and weight of snow on tree limbs
may down power lines and could cause sporadic power outages.
Whiteout conditions are expected and will make travel treacherous
and potentially life-threatening. Plan on slippery road
conditions. Areas of blowing snow could significantly reduce
visibility. The hazardous conditions could impact the Monday
evening and Tuesday morning commutes. Strong winds could cause
tree damage.

+ Read More

Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle.

Updated: Feb 23, 5:09 PM Source: NWS Alert

Severe Future Possible

Winter Storm Watch

Winter Storm Watch issued February 21 at 3:11AM EST until February 24 at 7:00AM EST by NWS Boston/Norton MA

Feb 22, 1:00 PM → Feb 24, 7:00 AM

WHAT: Heavy snow possible. Total snow accumulations between 6 and
15 inches possible. Winds could gust as high as 50 mph.

WHERE: All of Massachusetts east of the Berkshires except for
southeastern Massachusetts.

WHEN: From Sunday afternoon through Tuesday morning.

IMPACTS: Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning and evening
commutes. Gusty winds could bring down tree branches.

+ Read More

Monitor the latest forecasts for updates on this situation.

Updated: Feb 21, 10:35 AM Source: NWS Alert