Chesapeake, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chesapeake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—96°76°—
- SundayJul 5Partly Cloudy51%—97°75°+1°
- MondayJul 6Light Drizzle51%—94°72°-3°
- TuesdayJul 7Overcast20%—91°67°-3°
- WednesdayJul 8Overcast16%—95°65°+4°
- ThursdayJul 9Overcast42%—95°68°0°
- FridayJul 10Light Drizzle54%—82°70°-13°
AQI 64 (Moderate), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 88 now. With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 88 now. With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 around 1 PM.
- Present
- AQI 88
- UV peak
- 5.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:22 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Chesapeake at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 45619
16-Day Forecast — Chesapeake
- Sat96°76°18%
- Sun97°75°51%
- Mon94°72°51%
- Tue91°67°20%
- Wed95°65°16%
- Thu95°68°42%
- Fri82°70°54%
- Sat92°68°43%
- Sun78°64°29%
- Mon77°59°17%
- Tue84°59°14%
- Wed92°65°18%
- Thu96°67°19%
- Fri97°70°19%
- Sat82°70°26%
- Sun90°70°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Chesapeake
SPC has placed Chesapeake in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Chesapeake tops out in July (~76°F) and dips lowest in January (~34°F), with July wettest at 5.7 inches and November driest at 3.2 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.5″ | 8 |
| February | 36° | 3.5″ | 8 |
| March | 45° | 4.6″ | 10 |
| April | 55° | 4.2″ | 9 |
| May | 65° | 4.8″ | 10 |
| June | 73° | 4.5″ | 9 |
| July | 76° | 5.7″ | 9 |
| August | 75° | 4.1″ | 7 |
| September | 69° | 3.9″ | 6 |
| October | 57° | 3.3″ | 7 |
| November | 46° | 3.2″ | 8 |
| December | 38° | 4.2″ | 9 |
Frequently asked
- When does it freeze in Chesapeake?
- In Chesapeake, expect the last spring frost near mid-April; Chesapeake's first autumn frost comes around mid-November.
- What is the rainy season in Chesapeake?
- Chesapeake sees its heaviest rain in July (around 5.7 inches), part of roughly 49 inches a year.
- What is the warmest month in Chesapeake?
- On average July tops the year in Chesapeake at about 76°F.
- What is the coldest month in Chesapeake?
- The coldest stretch in Chesapeake falls in January, around 34°F on average.
- When can I start a vegetable garden in Chesapeake?
- In Chesapeake, sow peas and hardy greens around mid-April; Chesapeake's tomatoes and peppers wait two weeks more.
- How many rainy days does Chesapeake get?
- Chesapeake records around 100 days of measurable precipitation annually.
- What hardiness zone is Chesapeake?
- Since January in Chesapeake averages 34°F, Chesapeake's USDA zone follows that floor — confirm it by ZIP.
- 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.
Climate
In Chesapeake, Ohio, the humid subtropical climate runs from about 34°F in January to 76°F in July, a 42°F seasonal range.
In a typical year Chesapeake records about 49 inches of precipitation on around 100 days.
Chesapeake's 42°F range, set by its 38.4°N position, drives frost timing and what thrives in Chesapeake.
ZIP codes in Chesapeake
- 45619