Mount Healthy, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mount Healthy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear26%—95°72°—
- SundayJul 5Light Showers46%1.2″88°73°-7°
- MondayJul 6Light Drizzle46%—83°70°-5°
- TuesdayJul 7Overcast17%—84°64°+1°
- WednesdayJul 8Overcast18%—89°66°+5°
- ThursdayJul 9Light Drizzle38%—89°68°0°
- FridayJul 10Light Drizzle57%—81°71°-8°
AQI 57 (Moderate), driven by Ozone. Ozone at AQI 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 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 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 around 1 PM.
- Present
- AQI 71
- UV peak
- 5.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5 at 15.7 µg/m³, PM10 at 17.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mount Healthy at a glance
- Today vs. normal: 12°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.
16-Day Forecast — Mount Healthy
- Sat95°72°26%
- Sun88°73°46%
- Mon83°70°46%
- Tue84°64°17%
- Wed89°66°18%
- Thu89°68°38%
- Fri81°71°57%
- Sat87°67°37%
- Sun79°65°24%
- Mon70°58°12%
- Tue74°62°13%
- Wed84°63°23%
- Thu88°67°23%
- Fri85°70°17%
- Sat86°69°35%
- Sun91°71°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 — Mount Healthy
SPC has placed Mount Healthy 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
In Mount Healthy, July runs warmest near 78°F and January coldest around 30°F, while May is the wettest month (4.4 inches) and September the driest (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
Per NOAA NCEI 1991-2020 normals, Mount Healthy runs from a 30°F January mean to 78°F in July, a 47°F seasonal spread, with near 40.6 inches of precipitation across about 187 wet days.
Rainfall in Mount Healthy 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 Mount Healthy. That even rhythm groups Mount Healthy with places like Skyline Acres, OH, North College Hill, OH and Pleasant Hills, OH.
Around mid-April, Mount Healthy sheds its freezing nights — peas, lettuce, spinach, and radishes go into Mount Healthy's beds. Mount Healthy's heat-lovers — tomatoes, peppers, squash — hold off until Mount Healthy's frost risk clears, 10-14 days on. Frost returns to Mount Healthy near mid-November, ending the tender-crop season. A creek-bottom lot in Mount Healthy can lag Mount Healthy's last frost 7-10 days behind a south slope.
Similar climates: Skyline Acres, OH, North College Hill, OH, Pleasant Hills, OH, Northbrook, OH, New Burlington, OH.
Frequently asked
- When does it freeze in Mount Healthy?
- Mount Healthy's last spring frost lands near mid-April, and in Mount Healthy the first fall frost follows around mid-November.
- What is the rainy season in Mount Healthy?
- Rainfall in Mount Healthy peaks in May near 4.4 inches, out of about 41 inches annually.
- What is the warmest month in Mount Healthy?
- Mount Healthy peaks in July, when the mean runs near 78°F.
- What is the coldest month in Mount Healthy?
- January is Mount Healthy's coldest month, averaging about 30°F.
- When can I start a vegetable garden in Mount Healthy?
- Hardy spring crops go in near mid-April in Mount Healthy; tender peppers and squash wait 10–14 days.
- How many rainy days does Mount Healthy get?
- Mount Healthy records around 187 days of measurable precipitation annually.
- What hardiness zone is Mount Healthy?
- Since January in Mount Healthy averages 30°F, Mount Healthy's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Mount Healthy?
- Mount Healthy'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 Mount Healthy?
- See this week's day-by-day rain chances for Mount Healthy in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Mount Healthy?
- Current conditions for Mount Healthy and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Mount Healthy forecast updated?
- The Mount Healthy forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Mount Healthy?
- Today's sunrise and sunset times for Mount Healthy 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 Mount Healthy?
- The next few days in Mount Healthy's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Mount Healthy, Ohio swings from 30°F in the heart of winter to 78°F at midsummer — a 48°F arc.
Across the year, Mount Healthy collects about 41 inches of precipitation over roughly 187 days with measurable rain or snow.
Mount Healthy's 48°F range, set by its 39.2°N position, drives frost timing and what thrives in Mount Healthy.
ZIP codes in Mount Healthy
- 45231