Parma Heights, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Parma Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast43%—90°70°—
- SundayJul 5Heavy Rain30%0.85″80°71°-10°
- MondayJul 6Drizzle22%—78°67°-2°
- TuesdayJul 7Overcast12%—79°66°+1°
- WednesdayJul 8Overcast——87°65°+8°
- ThursdayJul 9Thunderstorm40%—82°67°-5°
- FridayJul 10Light Drizzle34%—78°69°-4°
AQI 36 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 4.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 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 46 now. With UV 4.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 46
- UV peak
- 4.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:23 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Parma Heights at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Parma Heights
- Sat92°70°43%
- Sun80°71°30%
- Mon78°67°22%
- Tue79°66°12%
- Wed87°65°8%
- Thu82°67°40%
- Fri78°69°34%
- Sat82°67°27%
- Sun75°64°23%
- Mon66°58°16%
- Tue78°60°21%
- Wed85°66°24%
- Thu89°69°29%
- Fri88°70°26%
- Sat85°68°24%
- Sun85°66°23%
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 — Parma Heights
SPC has placed Parma Heights 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 afternoon
Annual cicada buzz begins, peaking in the heat of the day.
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
Parma Heights's warmest month is July (~74°F mean) and its coldest is January (~25°F). Rainfall peaks in May (4.2 inches) and bottoms out in February (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 3.0″ | 23 |
| February | 28° | 2.9″ | 20 |
| March | 36° | 3.6″ | 20 |
| April | 48° | 3.7″ | 19 |
| May | 58° | 4.2″ | 18 |
| June | 68° | 4.0″ | 17 |
| July | 74° | 3.7″ | 17 |
| August | 72° | 3.5″ | 16 |
| September | 66° | 3.3″ | 15 |
| October | 54° | 3.3″ | 15 |
| November | 41° | 3.5″ | 21 |
| December | 30° | 3.5″ | 23 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Parma Heights sees 25°F Januarys and 74°F Julys, a 48°F range, plus around 42.1 inches of precipitation across 225 days.
No season owns Parma Heights's rain: May reaches 4.2 inches across 17.7 days and February keeps 2.9 inches on 20.1, an even spread through Parma Heights's year. That lines Parma Heights up with places like Parma, OH, Middleburg Heights, OH and Brook Park, OH, fed by overlapping storm tracks.
The cool-season window in Parma Heights starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Parma Heights wait about two weeks past Parma Heights's last frost, once the soil warms. Parma Heights's window closes around mid-November as overnight lows return below freezing. In Parma Heights, low spots run 4-7°F colder than nearby slopes, nudging Parma Heights's frost dates a week.
Similar climates: Parma, OH, Middleburg Heights, OH, Brook Park, OH, Brooklyn, OH, Linndale, OH.
Frequently asked
- When does it freeze in Parma Heights?
- In Parma Heights, expect the last spring frost near mid-April; Parma Heights's first autumn frost comes around mid-November.
- What is the rainy season in Parma Heights?
- Parma Heights sees its heaviest rain in May (around 4.2 inches), part of roughly 42 inches a year.
- What is the warmest month in Parma Heights?
- The warmest stretch in Parma Heights comes in July, around 74°F on average.
- What is the coldest month in Parma Heights?
- On average January is the chilliest month in Parma Heights, about 25°F.
- When can I start a vegetable garden in Parma Heights?
- Parma Heights's last frost (mid-April) cues hardy greens; in Parma Heights, hold heat-lovers two weeks past.
- How many rainy days does Parma Heights get?
- Parma Heights averages about 225 days with measurable rain or snow each year.
- What hardiness zone is Parma Heights?
- Parma Heights's hardiness zone tracks its winter low; with January near 25°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Parma Heights?
- Parma Heights'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 Parma Heights?
- See this week's day-by-day rain chances for Parma Heights in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Parma Heights?
- Current conditions for Parma Heights and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Parma Heights forecast updated?
- The Parma Heights forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Parma Heights?
- Today's sunrise and sunset times for Parma Heights 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 Parma Heights?
- The next few days in Parma Heights's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Parma Heights, Ohio has a warm-summer humid continental climate: January averages roughly 25°F, July about 74°F, 49°F between them.
Parma Heights sees close to 42 inches of precipitation annually, falling across some 225 wet days.
At 41.4°N, Parma Heights's 49°F summer-to-winter swing sets when Parma Heights's gardens wake and when frost returns.
ZIP codes in Parma Heights
- 44130