Dillonvale, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Dillonvale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear24%—95°74°—
- SundayJul 5Showers43%0.10″89°74°-6°
- MondayJul 6Thunderstorm43%—84°68°-5°
- TuesdayJul 7Overcast17%—84°62°0°
- WednesdayJul 8Overcast18%—90°64°+6°
- ThursdayJul 9Light Drizzle39%—89°66°-1°
- FridayJul 10Light Drizzle57%—81°70°-8°
AQI 58 (Moderate), driven by PM2.5. AQI projected to climb to 82 over the next 6 hours. PM2.5 at 15.2 µg/m³ (AQI 62) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 37 now. With UV 3.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 15.2 µg/m³ (AQI 62) with a 0.94 fine-to-coarse ratio and 6 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
- 11:31 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Dillonvale at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 43917
16-Day Forecast — Dillonvale
- Sat94°74°24%
- Sun89°74°43%
- Mon84°68°43%
- Tue84°62°17%
- Wed90°64°18%
- Thu89°66°39%
- Fri81°70°57%
- Sat86°68°38%
- Sun80°64°24%
- Mon71°56°13%
- Tue75°61°13%
- Wed86°62°23%
- Thu88°66°23%
- Fri89°69°17%
- Sat85°68°35%
- Sun92°70°30%
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 — Dillonvale
SPC has placed Dillonvale in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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
July is Dillonvale's warmest stretch (~78°F) and January its coldest (~30°F); precipitation crests in May at 4.4 inches and ebbs in September to 2.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.0″ | 16 |
| February | 34° | 3.0″ | 15 |
| March | 43° | 4.1″ | 17 |
| April | 55° | 4.2″ | 18 |
| May | 63° | 4.4″ | 18 |
| June | 73° | 3.6″ | 16 |
| July | 78° | 3.4″ | 17 |
| August | 77° | 3.0″ | 16 |
| September | 70° | 2.3″ | 13 |
| October | 58° | 2.6″ | 11 |
| November | 44° | 3.1″ | 14 |
| December | 34° | 3.9″ | 16 |
Regional context
In Dillonvale, NOAA NCEI 1991-2020 normals put January near 30°F and July near 78°F — a 47°F seasonal arc — with about 40.6 inches of precipitation over 187 rainy or snowy days.
Rainfall in Dillonvale stays even across the calendar: May tops out at 4.4 inches over 18.2 rainy days, and September still logs 2.3 inches across 13.0 — a narrow range for Dillonvale. It is a balanced pattern Dillonvale shares with places like Rossmoyne, OH, Deer Park, OH and Amberley, OH.
Around mid-April, Dillonvale sheds its freezing nights — peas, lettuce, spinach, and radishes go into Dillonvale's beds. Tomatoes and peppers do best set out two weeks later in Dillonvale, once nights clear the mid-40s°F. By mid-November, frost is back in Dillonvale — protect or harvest anything tender. Dillonvale's low ground holds frost later into spring than Dillonvale's benches, which run 3-5 days ahead.
Similar climates: Rossmoyne, OH, Deer Park, OH, Amberley, OH, Kenwood, OH, Reading, OH.
Frequently asked
- When does it freeze in Dillonvale?
- Frost typically leaves Dillonvale by mid-April and returns to Dillonvale near mid-November.
- What is the rainy season in Dillonvale?
- Rainfall in Dillonvale peaks in May near 4.4 inches, out of about 41 inches annually.
- What is the warmest month in Dillonvale?
- On average July tops the year in Dillonvale at about 78°F.
- What is the coldest month in Dillonvale?
- The coldest stretch in Dillonvale falls in January, around 30°F on average.
- When can I start a vegetable garden in Dillonvale?
- Around mid-April, start frost-hardy crops in Dillonvale; tomatoes and basil belong a fortnight later.
- How many rainy days does Dillonvale get?
- Dillonvale records around 187 days of measurable precipitation annually.
- What hardiness zone is Dillonvale?
- Since January in Dillonvale averages 30°F, Dillonvale's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Dillonvale?
- Dillonvale'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 Dillonvale?
- See this week's day-by-day rain chances for Dillonvale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Dillonvale?
- Current conditions for Dillonvale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Dillonvale forecast updated?
- The Dillonvale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Dillonvale?
- Today's sunrise and sunset times for Dillonvale 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 Dillonvale?
- The next few days in Dillonvale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Dillonvale, Ohio swings from 30°F in the heart of winter to 78°F at midsummer — a 48°F arc.
Yearly precipitation in Dillonvale totals around 41 inches, spread over about 187 days of rain or snow.
Dillonvale sits at 39.2°N; that 48°F seasonal swing frames planting windows and frost dates across Dillonvale.
ZIP codes in Dillonvale
- 45236