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Marion, Ohio 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Marion OH
National Weather Service Forecast for: Marion OH
Issued by: National Weather Service Cleveland, OH
Updated: 6:31 am EDT May 26, 2026
 
Today

Today: Mostly cloudy, with a high near 79. Calm wind.
Mostly Cloudy

Tonight

Tonight: A chance of showers after 2am.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Showers
Wednesday

Wednesday: A chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm.  Mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Slight Chance
T-storms
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 57. Light and variable wind becoming northwest around 6 mph after midnight.
Partly Cloudy

Thursday

Thursday: Sunny, with a high near 74. North wind 9 to 13 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 50.
Mostly Clear

Friday

Friday: Sunny, with a high near 76.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 52.
Partly Cloudy

Saturday

Saturday: Sunny, with a high near 72.
Sunny

Hi 79 °F Lo 63 °F Hi 77 °F Lo 57 °F Hi 74 °F Lo 50 °F Hi 76 °F Lo 52 °F Hi 72 °F

 

Today
 
Mostly cloudy, with a high near 79. Calm wind.
Tonight
 
A chance of showers after 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
 
A chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Partly cloudy, with a low around 57. Light and variable wind becoming northwest around 6 mph after midnight.
Thursday
 
Sunny, with a high near 74. North wind 9 to 13 mph.
Thursday Night
 
Mostly clear, with a low around 50.
Friday
 
Sunny, with a high near 76.
Friday Night
 
Partly cloudy, with a low around 52.
Saturday
 
Sunny, with a high near 72.
Saturday Night
 
Mostly clear, with a low around 51.
Sunday
 
Sunny, with a high near 72.
Sunday Night
 
Mostly clear, with a low around 53.
Monday
 
Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Marion OH.

Weather Forecast Discussion
326
FXUS61 KCLE 260535
AFDCLE

Area Forecast Discussion
National Weather Service Cleveland OH
135 AM EDT Tue May 26 2026

.WHAT HAS CHANGED...
There are no major changes as the forecast remains on track.

&&

.KEY MESSAGES...
1) High pressure remains over the region with dry weather and
seasonable temperatures for the majority of the week. There is a
low chance of showers on Wednesday.

&&

.DISCUSSION...
KEY MESSAGE 1...
High pressure remains across the region this morning and will
slowly build off to the east throughout the day into early
Wednesday. Some patchy fog is possible along the lake shore and
in north-central and northwestern Ohio through mid-morning.

A weak low pressure system will push northward into the Ohio
River Valley on Wednesday that will bring a chance for showers
and thunderstorms. This will mainly be confined to the area
south of US 30, though an isolated shower or thunderstorm is
possible to the north. This will be dependent on how much of the
mid to low level dry air erodes away throughout the day. A cold
front will push southward across the region Wednesday afternoon
and evening though expecting it to be dry along and behind the
front. High pressure builds in from the north on Thursday and
will persist through the weekend as upper level ridging builds
from the west.

Temperatures will gradually increase through Wednesday with
highs into the upper 70s to low 80s and overnight lows into the
upper 50s to low 60s. Behind the cold front, high temperatures
will drop down into the low to mid 70s with overnight lows in
the low to mid 50s.

&&

.AVIATION /06Z Tuesday THROUGH Saturday/...
Conditions are starting off mostly VFR this late evening with
the exception of areas right along the lakeshore. There are MVFR
to IFR visibilities and low ceilings from a marine layer near
the lakeshore. Most TAF sites will see the redevelopment of
IFR/LIFR fog through sunrise this morning. The early morning fog
and low stratus ceilings will burn off quickly after 13z this
morning. VFR conditions are expected later this morning through
the end of the TAF period. Winds will be somewhat light and
variable during this TAF period.

Outlook...Non-VFR possible with rain showers in central Ohio on
Wednesday.

&&

.MARINE...
Overall marine weather will be fairly quiet on Lake Erie this
week. Ther are some areas of dense fog on the central and
eastern nearshore waters of the lake this morning. This marine
layer fog should burn off quickly after sunrise this morning. A
weak area of pressure is over Lake Erie today. Winds will be
northerly to northeasterly 5 to 10 knots today through
Wednesday. A cold front will push southward across the lake late
Wednesday. Slightly stronger winds from the north to northeast
5-15 knots are expected Wednesday night and Thursday. Winds will
become light and variable again by Friday. Waves will generally
be 1 to 2 feet or less this week.

&&

.CLE WATCHES/WARNINGS/ADVISORIES...
OH...None.
PA...None.
MARINE...Dense Fog Advisory until 8 AM EDT this morning for LEZ146>149-
     166>169.

&&

$$

DISCUSSION...23
AVIATION...77
MARINE...77
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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