Hourly Weather Forecast for Cranston, Rhode Island

Hourly Weather | Today › Wednesday, March 18, 2026

Active Weather Warnings

Flood Warning

Cranston, Rhode Island

8 AM

25°

Feels Like 19°

Humidity: 50%

UV Index: 1

Wind: 7 mph

9 AM

27°

Feels Like 23°

Humidity: 46%

UV Index: 2

Wind: 8 mph

10 AM

30°

Feels Like 27°

Humidity: 39%

UV Index: 3

Wind: 9 mph

11 AM

32°

Feels Like 30°

Humidity: 35%

UV Index: 4

Wind: 9 mph

12 PM

34°

Feels Like 36°

Humidity: 31%

UV Index: 4

Wind: 8 mph

1 PM

36°

Feels Like 43°

Humidity: 29%

UV Index: 5

Wind: 6 mph

2 PM

36°

Feels Like 46°

Humidity: 27%

UV Index: 4

Wind: 5 mph

3 PM

36°

Feels Like 39°

Humidity: 28%

UV Index: 4

Wind: 6 mph

4 PM

37°

Feels Like 36°

Humidity: 28%

UV Index: 3

Wind: 8 mph

5 PM

37°

Feels Like 34°

Humidity: 31%

UV Index: 2

Wind: 9 mph

6 PM

36°

Feels Like 30°

Humidity: 36%

UV Index: 1

Wind: 8 mph

7 PM

34°

Feels Like 27°

Humidity: 43%

UV Index: 0

Wind: 8 mph

8 PM

30°

Feels Like 27°

Humidity: 51%

UV Index: 0

Wind: 7 mph

9 PM

28°

Feels Like 25°

Humidity: 60%

UV Index: 0

Wind: 6 mph

10 PM

27°

Feels Like 25°

Humidity: 65%

UV Index: 0

Wind: 5 mph

11 PM

25°

Feels Like 25°

Frost Risk: 92%

Humidity: 70%

UV Index: 0

Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.57 µg/m³
PM₁₀: 1.43 µg/m³
O₃: 0.052 ppm
NO₂: 1.3 ppb
SO₂: 0.4 ppb
CO: 0.14 ppm

Health Recommendations:

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

9 AM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.58 µg/m³
PM₁₀: 1.35 µg/m³
O₃: 0.051 ppm
NO₂: 1.6 ppb
SO₂: 0.4 ppb
CO: 0.14 ppm

Health Recommendations:

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

10 AM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.59 µg/m³
PM₁₀: 1.31 µg/m³
O₃: 0.051 ppm
NO₂: 1.6 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

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

11 AM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.67 µg/m³
PM₁₀: 1.34 µg/m³
O₃: 0.051 ppm
NO₂: 1.6 ppb
SO₂: 0.3 ppb
CO: 0.15 ppm

Health Recommendations:

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

12 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.81 µg/m³
PM₁₀: 1.46 µg/m³
O₃: 0.050 ppm
NO₂: 1.5 ppb
SO₂: 0.3 ppb
CO: 0.15 ppm

Health Recommendations:

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

1 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.06 µg/m³
PM₁₀: 1.69 µg/m³
O₃: 0.051 ppm
NO₂: 1.4 ppb
SO₂: 0.3 ppb
CO: 0.15 ppm

Health Recommendations:

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

2 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.38 µg/m³
PM₁₀: 1.95 µg/m³
O₃: 0.051 ppm
NO₂: 1.4 ppb
SO₂: 0.3 ppb
CO: 0.15 ppm

Health Recommendations:

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

3 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.68 µg/m³
PM₁₀: 2.21 µg/m³
O₃: 0.052 ppm
NO₂: 1.4 ppb
SO₂: 0.4 ppb
CO: 0.15 ppm

Health Recommendations:

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

4 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.84 µg/m³
PM₁₀: 2.34 µg/m³
O₃: 0.053 ppm
NO₂: 1.4 ppb
SO₂: 0.4 ppb
CO: 0.15 ppm

Health Recommendations:

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

5 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.82 µg/m³
PM₁₀: 2.27 µg/m³
O₃: 0.054 ppm
NO₂: 1.3 ppb
SO₂: 0.3 ppb
CO: 0.15 ppm

Health Recommendations:

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

6 PM

53 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.54 µg/m³
PM₁₀: 1.9 µg/m³
O₃: 0.055 ppm
NO₂: 1 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM

54 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.35 µg/m³
PM₁₀: 1.69 µg/m³
O₃: 0.055 ppm
NO₂: 1 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM

55 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.27 µg/m³
PM₁₀: 1.63 µg/m³
O₃: 0.056 ppm
NO₂: 1 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM

55 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.22 µg/m³
PM₁₀: 1.62 µg/m³
O₃: 0.056 ppm
NO₂: 0.9 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM

54 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.25 µg/m³
PM₁₀: 1.68 µg/m³
O₃: 0.055 ppm
NO₂: 0.9 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM

54 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.29 µg/m³
PM₁₀: 1.75 µg/m³
O₃: 0.055 ppm
NO₂: 0.9 ppb
SO₂: 0.2 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

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

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Cranston

Flood Warning

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