Chesapeake, Virginia Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Chesapeake weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 2:00 AM EDT · Open-Meteo
- TodaySep 21Clear18%—90°67°—
- TuesdaySep 22Overcast73%—78°71°-12°
- WednesdaySep 23Heavy Showers62%4.0″72°68°-6°
- ThursdaySep 24Light Drizzle48%—69°65°-3°
- FridaySep 25Overcast31%—70°60°+1°
- SaturdaySep 26Overcast15%—72°55°+2°
- SundaySep 27Overcast10%—73°62°+1°
Air quality now AQI 48 · Good
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.83 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.83 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.83
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:28 PM
- Moonset
- 1:34 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Chesapeake at a glance
- Today vs. normal: Today averages 79°F (high 90°F, low 67°F), 6°F above the 73°F normal for Sep 21
- Last frost: March 23 (1991–2020 median, NOAA station 15 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Chesapeake
- Mon90°67°18%
- Tue78°71°73%
- Wed72°68°62%
- Thu69°65°48%
- Fri70°60°31%
- Sat72°55°15%
- Sun73°62°10%
- Mon67°60°7%
- Tue69°63°7%
- Wed77°62°12%
- Thu77°62°13%
- Fri71°61°11%
- Sat76°58°19%
- Sun79°61°31%
- Mon80°63°33%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Chesapeake
Interactive wind and temperature map centered on Chesapeake — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 18) is about 8 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Chesapeake
SPC includes Chesapeake in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Chesapeake
Chesapeake sits in Chesapeake County, where the year’s longest day runs 14h 40m of daylight and its shortest just 9h 39m — a swing of +5h 1m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Virginia Beach, the state’s largest city, lies about 15 miles to the ENE. The nearest town Chesapeake tracks is Virginia Beach, roughly 15 miles to the ENE.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
In Chesapeake, July runs warmest near 83°F and January coldest around 44°F, while August is the wettest month (5.8 inches) and February the driest (2.7 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 44° | 3.4″ |
| February | 46° | 2.7″ |
| March | 52° | 3.8″ |
| April | 62° | 3.5″ |
| May | 70° | 4.2″ |
| June | 78° | 4.6″ |
| July | 83° | 5.5″ |
| August | 80° | 5.8″ |
| September | 75° | 4.5″ |
| October | 65° | 4.1″ |
| November | 55° | 3.4″ |
| December | 47° | 3.3″ |
Regional context
Similar climates Portsmouth, VA, Virginia Beach, VA, Norfolk, VA
In Chesapeake, NOAA NCEI 1991-2020 normals put January near 44°F and July near 83°F — a 39°F seasonal arc — with about 48.6 inches of precipitation.
Precipitation in Chesapeake runs summer-dominant: August averages 5.8 inches from warm-season storms, while February drops to 2.7 inches under drier cool air. Chesapeake shares that warm-season-wet pattern with places like Portsmouth, VA, Virginia Beach, VA and Norfolk, VA.
Once Chesapeake passes March 23, freezes fade and Chesapeake's beds take peas, lettuce, spinach, and radishes. Chesapeake's heat-lovers — tomatoes, peppers, squash — hold off until Chesapeake's frost risk clears, 10-14 days on. By November 18, frost is back in Chesapeake — protect or harvest anything tender. Open lawns in Chesapeake whiten first when frost returns.
Similar climates: Portsmouth, VA, Virginia Beach, VA, Norfolk, VA, Suffolk, VA, Carrollton, VA.
Frequently asked
- When does it freeze in Chesapeake?
- In Chesapeake, expect the last spring frost near March 23; Chesapeake's first autumn frost comes around November 18.
- What is the rainy season in Chesapeake?
- August is the wettest month in Chesapeake, about 5.8 inches on average; the year totals roughly 49 inches.
- What is the warmest month in Chesapeake?
- Chesapeake peaks in July, when the mean runs near 83°F.
- What is the coldest month in Chesapeake?
- January is Chesapeake's coldest month, averaging about 44°F.
- When can I start a vegetable garden in Chesapeake?
- In Chesapeake, sow peas and hardy greens around March 23; Chesapeake's tomatoes and peppers wait two weeks more.
- What hardiness zone is Chesapeake?
- With January around 44°F, Chesapeake's zone reflects that minimum — the USDA ZIP map confirms Chesapeake's band.
- What is the 10-day forecast for Chesapeake?
- Chesapeake's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Chesapeake?
- See this week's day-by-day rain chances for Chesapeake in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Chesapeake?
- Current conditions for Chesapeake and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Chesapeake forecast updated?
- The Chesapeake forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Chesapeake?
- Today's sunrise and sunset times for Chesapeake are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Chesapeake?
- The next few days in Chesapeake's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Chesapeake sits at 36.7°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Chesapeake
- 23320
- 23321
- 23322
- 23323
- 23324
- 23325
- 23326
- 23327
- 23328