Today | Weather | Wednesday, October 21, 2026

Active Weather Warnings

Weather in Chesapeake, Virginia

01:54 AM

Now

57° F

Feels Like 52°

Precipitation 0 %

Wind 12 mph

Humidity 74 %

Today

Day 66°

Night 48°

Precipitation 0 %

Wind 13 mph

UV Index (0 - 11+) 4

Chesapeake Weather Forecast Updated

47 minutes ago

Last updated on October 21, 2026 at 1:07 AM

Weather Forecast History

Last Year's Weather on This Day (October 21, 2025)

Day

73°

Night

54°

Wind

8 mph

Precipitation

55 %

Air Quality in Chesapeake

NOW

45 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 10.53 µg/m³

PM₁₀ 11.86 µg/m³

O₃ 0.048 ppm

NO₂ 1.4 ppb

SO₂ 0.8 ppb

CO 0.15 ppm

NH₃ 1.37 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 – 10.53 µg/m³

PM₁₀ – 11.86 µg/m³

O₃ – 95.07 µg/m³

NO₂ – 2.62 µg/m³

SO₂ – 2.11 µg/m³

CO – 172.4 µg/m³

NH₃ – 1.37 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chesapeake

Moderate Future Possible

Coastal Flood Watch

Coastal Flood Watch issued October 18 at 1:37PM EDT until October 21 at 9:00AM EDT by NWS Wakefield VA

Oct 19, 12:00 PM → Oct 21, 9:00 AM

WHAT: For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected in low-lying areas near
shorelines and tidal waterways. For the Coastal Flood Watch,
one to two feet of inundation above ground level possible in
low- lying areas near shorelines and tidal waterways.

WHERE: Chesapeake and Suffolk, and Norfolk and Portsmouth
Counties.

WHEN: For the Coastal Flood Advisory, from 1 PM this
afternoon to 7 PM EDT this evening. For the Coastal Flood
Watch, from Monday afternoon through Wednesday morning.

IMPACTS: Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
may be inundated. Some shoreline erosion may occur.

+ Read More

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Updated: Oct 18, 2:20 PM Source: NWS Alert

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued October 20 at 7:25PM EDT until October 22 at 1:00PM EDT by NWS Wakefield VA

Oct 20, 7:25 PM → Oct 22, 1:00 PM

WHAT: Up to one foot of inundation above ground level in low-
lying areas near shorelines and tidal waterways.

WHERE: Charles City, Surry, James City, Newport News,
Hampton/Poquoson, Isle of Wight, Norfolk and Portsmouth
Counties, and Chesapeake and Suffolk.

WHEN: Until 1 PM EDT Thursday.

IMPACTS: Shallow flooding is expected in the most vulnerable
locations near the waterfront and shoreline resulting in a low
threat of property damage. Expect up to one foot of water
above ground level in low lying, vulnerable areas. Some roads
and low lying property including parking lots, parks and lawns
near the waterfront will experience shallow flooding.