Forest Park, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Forest Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear26%—94°73°—
- SundayJul 5Light Rain47%0.11″87°72°-7°
- MondayJul 6Light Drizzle47%—81°70°-6°
- TuesdayJul 7Overcast16%—82°64°+1°
- WednesdayJul 8Overcast18%—88°65°+6°
- ThursdayJul 9Light Drizzle39%—88°69°0°
- FridayJul 10Light Drizzle58%—80°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 (AQI 63) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Forest Park at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Forest Park
- Sat94°73°26%
- Sun87°72°47%
- Mon81°70°47%
- Tue82°64°16%
- Wed88°65°18%
- Thu88°69°39%
- Fri80°71°58%
- Sat85°67°36%
- Sun78°64°24%
- Mon70°58°12%
- Tue75°62°13%
- Wed83°63°23%
- Thu87°67°19%
- Fri86°70°19%
- Sat86°68°26%
- Sun90°71°26%
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 — Forest Park
SPC has placed Forest Park 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 Forest Park, 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
Drawing on NOAA NCEI 1991-2020 normals, Forest Park's January averages 30°F and July 78°F — 47°F apart — while precipitation totals roughly 40.6 inches over some 187 days.
Forest Park's precipitation spreads evenly: May peaks at 4.4 inches on 18.2 wet days, while September holds 2.3 inches over 13.0 — no month dominates Forest Park's rain calendar. It is a balanced pattern Forest Park shares with places like Greenhills, OH, Pleasant Run Farm, OH and New Burlington, OH.
By mid-April the frosts ease in Forest Park, opening the season for peas, lettuce, spinach, and radishes. In Forest Park, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Forest Park's frost date. Around mid-November, freezing nights resume in Forest Park and tender crops must come in. In Forest Park, low spots run 4-7°F colder than nearby slopes, nudging Forest Park's frost dates a week.
Similar climates: Greenhills, OH, Pleasant Run Farm, OH, New Burlington, OH, Mount Healthy Heights, OH, Springdale, OH.
Frequently asked
- When does it freeze in Forest Park?
- Forest Park's last spring frost lands near mid-April, and in Forest Park the first fall frost follows around mid-November.
- What is the rainy season in Forest Park?
- Forest Park sees its heaviest rain in May (around 4.4 inches), part of roughly 41 inches a year.
- What is the warmest month in Forest Park?
- July is Forest Park's warmest month, averaging about 78°F.
- What is the coldest month in Forest Park?
- Forest Park bottoms out in January, with a mean near 30°F.
- When can I start a vegetable garden in Forest Park?
- Frost-hardy sowings begin at mid-April in Forest Park; warm-season starts follow two weeks on.
- How many rainy days does Forest Park get?
- Forest Park records around 187 days of measurable precipitation annually.
- What hardiness zone is Forest Park?
- Forest Park's USDA zone comes from its January mean (30°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Forest Park?
- Forest Park'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 Forest Park?
- See this week's day-by-day rain chances for Forest Park in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Forest Park?
- Current conditions for Forest Park and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Forest Park forecast updated?
- The Forest Park forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Forest Park?
- Today's sunrise and sunset times for Forest Park 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 Forest Park?
- The next few days in Forest Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Forest Park's humid subtropical climate in Ohio pairs 30°F Januarys with 78°F Julys, 48°F apart across the seasons.
In a typical year Forest Park records about 41 inches of precipitation on around 187 days.
At 39.3°N, Forest Park's 48°F summer-to-winter swing sets when Forest Park's gardens wake and when frost returns.
ZIP codes in Forest Park
- 45240