Today | Weather | Wednesday, March 18, 2026
Active Weather Warnings

Weather in Cranston, Rhode Island

05:46 AM
Now
Night
25° F
Feels Like 18°
Precipitation 0 %
Wind 8 mph
Humidity 49 %
Today
Cloudy Weather
Day 37°
Night 21°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 5
Overnight Frost 12 AM – 1 AM
Tomorrow Morning Frost 12 AM – 7 AM

Cranston Weather Forecast Updated

2 minutes ago
Last updated on

Air Quality in Cranston

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.59 µg/m³
PM10 1.58 µg/m³
O3 0.052 ppm
NO2 1.2 ppb
SO2 0.4 ppb
CO 0.14 ppm
NH3 0.21 µg/m³
NO 0 µg/m³
PM2.5 – 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)
PM2.50.59 µg/m³
PM101.58 µg/m³
O3101.63 µg/m³
NO22.29 µg/m³
SO21.07 µg/m³
CO159.21 µg/m³
NH30.21 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Cranston

Severe Immediate Observed

Flood Warning

Flood Warning issued March 17 at 4:03PM EDT until March 19 at 6:31AM EDT by NWS Boston/Norton MA
Mar 17, 4:03 PM Mar 19, 6:31 AM
...The Flood Warning continues for the following rivers in Rhode
Island...

Pawtuxet River At Cranston affecting Providence and Kent Counties.

For the Pawtuxet River...including Cranston...Minor flooding is
forecast.

WHAT: Minor flooding is forecast.

WHERE: Pawtuxet River at Cranston.

WHEN: Until Thursday morning.

IMPACTS: At 9.0 feet, Minor lowland flooding will occur along the
river as it flows through Warwick and Cranston.

ADDITIONAL DETAILS:
- At 2:45 PM EDT Tuesday the stage was 9.0 feet.
- Bankfull stage is 9.0 feet.
- Forecast...The river is expected to rise to a crest of 9.0
feet this evening. It will then fall below flood stage
tomorrow morning.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood
+ Read More
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon at 1215 PM EDT.
Updated: Mar 17, 8:06 PM Source: NWS Alert