Today
Sun, Jun 21
Overcast
76°54°
- Rain chance
- 20%
- Precip
- 0 in
- Max wind
- 9 mph
Ohio, United States · New_York time · 40.59°, -83.13°
Heavy rain tomorrow: around 106 mm expected.
Heavy rain tomorrow: around 106 mm expected.
Derived advisory — not an official warning
Current conditions · 9:30 AM local
64°F
Overcast
Feels like 61°F
18
Good
US AQI · European AQI 18
Air quality in Marion is currently good, with a US AQI of 18 (European AQI 18). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 3.6 µg/m³.
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Conditions in Marion at the moment: overcast, 18 °C. It feels close to the actual reading at 18 °C. Wind is from the N at 5 km/h. Humidity stands at 71% with sea-level pressure near 1015 hPa.
Overcast
Heavy rain · 55% chance of rain · gusts to 67 km/h
A steady stretch: highs near 77°, lows around 53°, and no day above a 37% rain chance through Saturday.
Today brings overcast with a high of 24 °C and a low of 12 °C. Tomorrow brings heavy rain with a high of 24 °C and a low of 16 °C. Rain chance peaks at 55% with around 105.7 mm possible. Gusts may reach 67 km/h from the ENE. Tuesday brings overcast with a high of 22 °C and a low of 12 °C.
Today
Sun, Jun 21
Overcast
76°54°
Tomorrow
Mon, Jun 22
Heavy rain
76°60°
Tuesday
Tue, Jun 23
Overcast
72°53°
Marion starts the period under overcast, with the mercury at 18 °C and a feels-like of 18 °C. Today's forecast calls for overcast, topping out near 24 °C before falling back to 12 °C overnight. Winds blow mainly from the E around 14 km/h, with gusts up to 27 km/h. Highs ease downward through the week, ranging 21 to 25 °C. Rain is in the picture on tomorrow, Thursday, with roughly 150 mm expected in total across the week. Tomorrow brings heavy rain with a high of 24 °C and a 55% chance of precipitation. The UV index reaches 6 today, so sun protection is sensible during the middle of the day. Sunrise comes at 06:02 and sunset at 21:06, giving 15.1 hours of daylight. Current humidity sits at 71% with pressure near 1015 hPa. Looking further out, Thursday shows violent rain showers with a high around 24 °C, while Saturday ends the week at 21 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Soil temperatures today read surface 17.9 °C, 6 cm 19.3 °C, 18 cm 19.7 °C, 54 cm 18.1 °C. Soil moisture sits at 0-1 cm at 0.25 m³/m³, 3-9 cm at 0.25 m³/m³, 27-81 cm at 0.29 m³/m³. For maize, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Forecast rain (150 mm) roughly covers crop water demand (ET0 25 mm), so irrigation can likely be paused. A suitable spraying window opens around 07:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: maize 62, wheat 101.
Weather alerts for Marion (derived from forecast data, not official warnings): Heavy rain tomorrow: around 106 mm expected.
| Variable | Value |
|---|---|
| City | Marion, Ohio, United States |
| Coordinates | 40.58867, -83.12852 |
| Elevation | 299 m |
| Timezone | America/New_York |
| Population | 36,363 |
| Observed at (local) | 9:30 AM |
| Temperature (2 m) | 64°F |
| Apparent temperature | 61°F |
| Relative humidity (2 m) | 69% |
| Dew point (2 m) | 51°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 3 |
| Cloud cover | 100% |
| Surface pressure | 28.9 inHg |
| Sea-level pressure | 30 inHg |
| Wind speed (10 m) | 3 mph |
| Wind gusts (10 m) | 8 mph |
| Wind direction (10 m) | 356° (N) |
| Visibility | 15.8 mi |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 76°F / 54°F |
| Today feels-like max / min | 78°F / 52°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 20% |
| Today max wind / gusts | 9 mph / 17 mph |
| Dominant wind direction | 91° (E) |
| Sunrise / sunset | 6:02 AM / 9:06 PM |
| Daylight duration | 15h 05m |
| Sunshine duration | 8h 05m |
| Max UV index | 6.05 |
| Reference evapotranspiration (ET₀) | 4.78 mm |
| Topsoil moisture (0–1 cm) | 0.25 m³/m³ |
| Surface soil temperature | 60°F |
| US AQI | 18 |
| European AQI | 18 |
| PM2.5 | 3.6 µg/m³ |
| PM10 | 3.6 µg/m³ |
| Ozone (O₃) | 44 µg/m³ |
| Nitrogen dioxide (NO₂) | 10.9 µg/m³ |
| Sulphur dioxide (SO₂) | 0.6 µg/m³ |
| Carbon monoxide (CO) | 151 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/us/ohio/marion" width="320" height="180" frameborder="0" title="Marion weather" loading="lazy"></iframe>There is a moderate chance of rain in Marion tomorrow, peaking at 55%.
Today Marion sees overcast with a high of 24 °C and a low of 12 °C.
Tomorrow's high in Marion is forecast at 24 °C with heavy rain.
No, not especially; gusts only reach up to 27 km/h today.
The UV index peaks at 6 today, which is high.
The sun rises at 06:02 and sets at 21:06 local time.
Air quality is good right now, with a US AQI reading of 18.