Weather StoryAlmanac, microseasons, and the day's weather story.

Rocky River, Ohio Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Rocky River weather forecast — hour by hour, 7-day outlook, NOAA radar

Rocky River, OH
Saturday, July 4 at 9:39 AM
80
°
Partly Cloudy
Feels like
83°
Humidity
59%
Wind
6 mph
Sunrise
1:59 AM
Sunset
5:04 PM
Rocky River, OH
Hour by hour · 24h
24-Hour ForecastRocky River, OH: 24-hour forecast. Temperatures range from 72 to 89 degrees Fahrenheit with a 25% chance of precipitation at 7 AM.
L 72°H 89°
Rocky River, OH
7-day forecast
  1. Today
    Jul 4
    Overcast
    41%
    89°72°
  2. Sunday
    Jul 5
    Heavy Showers
    30%
    0.39″
    78°72°-11°
  3. Monday
    Jul 6
    Drizzle
    23%
    79°68°+1°
  4. Tuesday
    Jul 7
    Overcast
    11%
    80°66°+1°
  5. Wednesday
    Jul 8
    Overcast
    88°66°+8°
  6. Thursday
    Jul 9
    Thunderstorm
    34%
    83°67°-5°
  7. Friday
    Jul 10
    Light Drizzle
    34%
    79°69°-4°
Rocky River, OH
Anemometer · 24h winds · from true
NESW
From · True
S
173° · backing 43°
Direction
S
173°
Sustained
6
mph
Gust
10
mph
Peak 24h
30
avg 7
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 30 @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 154SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 43° from the s.
Rocky River, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
991.4
-0.4 mb in 3h · steady · 29.28 inHg
Now
991.4
mb
3h
-0.4
mb
12h
-2.2
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 990994
9859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW993.5990.4991.1
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rocky River, OH
Air quality
46
AQI
Good
-26 in 6hPeak ~93 @ 8 PM

AQI 46 (Good), driven by Ozone. AQI down 26 over the last 6 hours — air quality is improving sharply. Ozone at AQI 48 now. With UV 4.2 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.

PM 2.5Good
6.4μg/m³
PM 10Good
7μg/m³
NO₂Good
7μg/m³
OzoneDRIVERUnhealthy SG
101μg/m³
UV IndexModerate
2.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 48 now. With UV 4.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.

Present
AQI 48
UV peak
4.2 at 1 PM
Sky at peak
clear
Projected peak
AQI 27

PM × Wind × Precip

PM2.5 at 6.4 µg/m³ (AQI 36) with a 0.96 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.96
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Rocky River, OH
Sky cover · visibility · 24h
Cloud cover
72%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
49.1mi
UNLIMITED
70 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
13:39 UTC · Rocky River, OH · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
13:39 UTC · Rocky River, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Rocky River, OH
Satellite · infrared · animated
Rocky River, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Rocky River, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:26 AM
Sunrise
1:59 AM
Daylight
15h 05m
Sunset
5:04 PM
Civil dusk
9:39 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Rocky River, OH
The moon
Waning Gibbous
81% illuminated
Moonrise
11:24 PM
Moonset
10:30 AM
In sign
♓︎ Pisces
Rocky River, OH
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Rocky River at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 25 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 44116

16-Day Forecast — Rocky River

  1. Sat89°72°41%
  2. Sun78°72°30%
  3. Mon79°68°23%
  4. Tue80°66°11%
  5. Wed88°66°7%
  6. Thu83°67°34%
  7. Fri79°69°34%
  8. Sat83°68°29%
  9. Sun76°65°25%
  10. Mon67°58°16%
  11. Tue79°60°21%
  12. Wed86°66°24%
  13. Thu90°70°29%
  14. Fri88°70°26%
  15. Sat86°68°24%
  16. Sun86°67°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 — Rocky River

SPC has placed Rocky River 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coastMay 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

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

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January
February
March
Aprillettuce, peas, spinach, radishes
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November
December

A year in weather

July is Rocky River's warmest stretch (~74°F) and January its coldest (~25°F); precipitation crests in May at 4.2 inches and ebbs in February to 2.9 inches.

MonthMean tempPrecipRainy days
January25°3.023
February28°2.920
March36°3.620
April48°3.719
May58°4.218
June68°4.017
July74°3.717
August72°3.516
September66°3.315
October54°3.315
November41°3.521
December30°3.523

Regional context

Rocky River swings from 25°F in January to 74°F in July (48°F) per NOAA NCEI 1991-2020 normals; precipitation in Rocky River runs about 42.1 inches on roughly 225 measurable days.

Rocky River's precipitation spreads evenly: May peaks at 4.2 inches on 17.7 wet days, while February holds 2.9 inches over 20.1 — no month dominates Rocky River's rain calendar. That even rhythm groups Rocky River with places like Fairview Park, OH, Lakewood, OH and Westlake, OH.

Once Rocky River passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Rocky River's heat-lovers — tomatoes, peppers, squash — hold off until Rocky River's frost risk clears, 10-14 days on. Frost returns to Rocky River near mid-November, ending the tender-crop season. Rocky River's low ground holds frost later into spring than Rocky River's benches, which run 3-5 days ahead.

Similar climates: Fairview Park, OH, Lakewood, OH, Westlake, OH, Bay Village, OH, Linndale, OH.

Frequently asked

When does it freeze in Rocky River?
Frost typically leaves Rocky River by mid-April and returns to Rocky River near mid-November.
What is the rainy season in Rocky River?
Rocky River sees its heaviest rain in May (around 4.2 inches), part of roughly 42 inches a year.
What is the warmest month in Rocky River?
On average July tops the year in Rocky River at about 74°F.
What is the coldest month in Rocky River?
The coldest stretch in Rocky River falls in January, around 25°F on average.
When can I start a vegetable garden in Rocky River?
Around mid-April, start frost-hardy crops in Rocky River; tomatoes and basil belong a fortnight later.
How many rainy days does Rocky River get?
Rocky River records around 225 days of measurable precipitation annually.
What hardiness zone is Rocky River?
With January around 25°F, Rocky River's zone reflects that minimum — the USDA ZIP map confirms Rocky River's band.
What is the 10-day forecast for Rocky River?
Rocky River'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 Rocky River?
See this week's day-by-day rain chances for Rocky River in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Rocky River?
Current conditions for Rocky River and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Rocky River forecast updated?
The Rocky River forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Rocky River?
Today's sunrise and sunset times for Rocky River 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 Rocky River?
The next few days in Rocky River's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

The warm-summer humid continental climate of Rocky River, Ohio carries typical Januarys near 25°F and Julys around 74°F — 49°F of seasonal travel.

Yearly precipitation in Rocky River totals around 42 inches, spread over about 225 days of rain or snow.

From 41.5°N, Rocky River sees a 49°F seasonal swing that governs Rocky River's planting and frost windows.

ZIP codes in Rocky River

  • 44116

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.