Cleveland, Ohio Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Cleveland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——89°62°—
- SaturdayJun 6Light Rain75%0.06″85°68°-4°
- SundayJun 7Light Drizzle28%—71°64°-14°
- MondayJun 8Light Drizzle——82°60°+11°
- TuesdayJun 9Light Drizzle35%—75°68°-7°
- WednesdayJun 10Light Drizzle33%0.04″70°67°-5°
- ThursdayJun 11Light Drizzle30%—78°68°+8°
AQI 64 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.94 fine-to-coarse ratio and 5 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17 by mid-afternoon.
- Present
- AQI 39
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.94 fine-to-coarse ratio and 5 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:31 AM
- Moonset
- 2:28 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Cleveland at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Cleveland
SPC has placed Cleveland in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
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 stands as Cleveland's warmest month at around 74°F mean temperature, while January claims the coldest spot at roughly 29°F. Precipitation follows its own pattern, with July bringing the heaviest rainfall at 3.7 inches and February delivering the least at 1.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 1.8″ | 4 |
| February | 31° | 1.5″ | 4 |
| March | 38° | 2.4″ | 6 |
| April | 49° | 3.1″ | 7 |
| May | 61° | 3.5″ | 8 |
| June | 70° | 2.8″ | 7 |
| July | 74° | 3.7″ | 6 |
| August | 73° | 3.5″ | 6 |
| September | 67° | 2.9″ | 6 |
| October | 56° | 3.2″ | 8 |
| November | 45° | 2.9″ | 6 |
| December | 35° | 2.0″ | 6 |
Regional context
Cleveland falls within a warm-summer humid continental climate region, sharing similar temperature ranges, seasonal patterns, and growing conditions with other nearby cities in this climate zone.
Similar climates: Akron, OH, Toledo, OH, Youngstown, OH, Canton, OH, Lorain, OH.
Naturalist notes
By late May, white oak trees begin shedding their pollen, coating cars and sidewalks with a fine yellow dust.
Red-winged blackbirds establish territories in Cleveland's wetlands during April, their distinctive calls marking the transition from spring migration to nesting season.
Frequently asked
- When does it freeze in Cleveland?
- Cleveland's last spring frost usually occurs around mid-April, while the first fall frost typically arrives around mid-November.
- What is the rainy season in Cleveland?
- July receives the most rainfall, averaging about 3.7 inches, while the city's total annual precipitation reaches roughly 33 inches.
- What is the warmest month in Cleveland?
- July typically records the warmest temperatures, averaging about 74°F.
- What is the coldest month in Cleveland?
- January usually brings the coldest weather, averaging about 29°F.
- When can I start a vegetable garden in Cleveland?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-April, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after that date.
- How many rainy days does Cleveland get?
- Cleveland experiences about 74 rainy days per year on average.
- What hardiness zone is Cleveland?
- Cleveland's USDA hardiness zone depends on its lowest average winter temperature; use the USDA's online lookup tool with the city ZIP code to find the current zone designation.
Climate
Cleveland, Ohio experiences a warm-summer humid continental climate zone. Temperatures in January typically hover near 29°F, while July averages reach 74°F — creating a 45°F seasonal swing.
Annual precipitation in Cleveland totals about 33 inches, distributed across roughly 74 rainy days throughout the year.
Weather patterns here are shaped by the city's latitude at 41.5°N, its proximity to large water bodies, and local elevation. These factors determine what grows in the region, when frost occurs, and daily weather conditions.