Chesterhill, Ohio Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Chesterhill weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:21 AM EDT · Open-Meteo
- TodaySep 21Heavy Drizzle later96%1.5″71°61°—
- TuesdaySep 22Overcast40%—67°58°-4°
- WednesdaySep 23Light Showers67%0.20″64°55°-3°
- ThursdaySep 24Light Drizzle47%—70°51°+6°
- FridaySep 25Overcast——68°44°-2°
- SaturdaySep 26Overcast——70°45°+2°
- SundaySep 27Overcast——67°48°-3°
Air quality now AQI 28 · Good
AQI 28 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 4:57 PM
- Moonset
- 1:49 AM
- In sign
- ♑︎ Capricorn
Chesterhill at a glance
- Today vs. normal: Today averages 66°F (high 71°F, low 61°F), 3°F above the 63°F normal for Sep 21
- Last frost: April 27 (1991–2020 median, NOAA station 18 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Chesterhill
- Mon71°61°96%
- Tue67°58°40%
- Wed64°55°67%
- Thu70°51°47%
- Fri68°44°1%
- Sat70°45°1%
- Sun67°48°2%
- Mon68°56°4%
- Tue80°55°16%
- Wed75°61°24%
- Thu75°51°17%
- Fri75°50°20%
- Sat81°52°19%
- Sun73°63°17%
- Mon61°44°19%
- Tue60°38°27%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 21) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Chesterhill
SPC includes Chesterhill in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Chesterhill
Chesterhill sits in Morgan County, where the year’s longest day runs 14h 58m of daylight and its shortest just 9h 23m — a swing of +5h 35m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Cincinnati, the state’s largest city, lies about 143 miles to the W. The nearest town Chesterhill tracks is Columbus, roughly 69 miles to the WNW.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
July is Chesterhill's warmest stretch (~73°F) and January its coldest (~30°F); precipitation crests in July at 4.7 inches and ebbs in February to 2.8 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.6″ | 13 |
| February | 32° | 2.8″ | 10 |
| March | 41° | 3.9″ | 12 |
| April | 52° | 4.2″ | 13 |
| May | 61° | 4.4″ | 13 |
| June | 69° | 4.6″ | 12 |
| July | 73° | 4.7″ | 12 |
| August | 72° | 3.9″ | 10 |
| September | 66° | 3.4″ | 9 |
| October | 54° | 3.1″ | 10 |
| November | 43° | 3.0″ | 11 |
| December | 34° | 3.4″ | 13 |
Regional context
Similar climates Stockport, OH, Amesville, OH, Malta, OH
Drawing on NOAA NCEI 1991-2020 normals, Chesterhill's January averages 30°F and July 73°F — 44°F apart — while precipitation totals roughly 45 inches over some 138 days.
Rainfall in Chesterhill splits evenly between the seasons: July tops out at 4.7 inches over 11.9 rainy days, and February logs 2.8 inches across 10.4 — neither half of Chesterhill's year dominates. That even rhythm groups Chesterhill with places like Stockport, OH, Amesville, OH and Malta, OH.
The cool-season window in Chesterhill starts at April 27, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Chesterhill's tender crops — tomatoes, peppers, basil — until 10-14 days past Chesterhill's last frost. It shuts near October 21, when freezes return to Chesterhill and tender plants need cover. Sheltered Chesterhill yards can escape a light frost.
Similar climates: Stockport, OH, Amesville, OH, Malta, OH, Trimble, OH, Jacksonville, OH.
Frequently asked
- When does it freeze in Chesterhill?
- Frost typically leaves Chesterhill by April 27 and returns to Chesterhill near October 21.
- What is the rainy season in Chesterhill?
- Chesterhill sees its heaviest rain in July (around 4.7 inches), part of roughly 45 inches a year.
- What is the warmest month in Chesterhill?
- The warmest stretch in Chesterhill comes in July, around 73°F on average.
- What is the coldest month in Chesterhill?
- On average January is the chilliest month in Chesterhill, about 30°F.
- When can I start a vegetable garden in Chesterhill?
- Chesterhill's last frost (April 27) cues hardy greens; in Chesterhill, hold heat-lovers two weeks past.
- How many rainy days does Chesterhill get?
- Expect roughly 138 wet days a year in Chesterhill.
- What hardiness zone is Chesterhill?
- Chesterhill's hardiness zone tracks its winter low; with January near 30°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Chesterhill?
- Chesterhill'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 Chesterhill?
- See this week's day-by-day rain chances for Chesterhill in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Chesterhill?
- Current conditions for Chesterhill and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Chesterhill forecast updated?
- The Chesterhill forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Chesterhill?
- Today's sunrise and sunset times for Chesterhill 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 Chesterhill?
- The next few days in Chesterhill's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Chesterhill sits at 39.5°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Chesterhill
- 43728