New York, NY 18° Los Angeles, CA 20° Chicago, IL 16° 🌤️ Houston, TX Miami, FL 27° Phoenix, AZ 30° Seattle, WA 15° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 16°
WeatherLive › Ohio › Saint Marys

Saint Marys, OH Weather (45885)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSaint Marys · 8:33 AM EDT
27° | 17°
17°C
Feels like 18°
Sunny
WindNE 5 mph · Gusts 9 mph
Precip22% · 0.01 in
Humidity87% · Dew point 15°
UV index7 High
Air Quality25 Good
Pressure30.06 inHg
Visibility1 mi
Sunrise / Sunset6:54 AM · 8:27 PM · 13h 33m

Weather map — Saint Marys

Full radar →
Now
17°
16%
5 mph
09:00
20°
12%
6 mph
10:00
23°
11%
6 mph
11:00
23°
12%
6 mph
12:00
25°
10%
6 mph
13:00
27°
8%
6 mph
14:00
27°
6%
5 mph
15:00
24°
22%
5 mph
16:00
27°
15%
5 mph
17:00
24°
15%
5 mph
18:00
24°
19%
5 mph
19:00
23°
21%
4 mph
20:00
24°
21%
3 mph
21:00
22°
11%
3 mph
22:00
21°
11%
2 mph
23:00
20°
12%
2 mph
00:00
20°
13%
3 mph
01:00
19°
13%
4 mph
02:00
19°
14%
2 mph
03:00
19°
14%
3 mph
04:00
19°
15%
4 mph
05:00
18°
15%
6 mph
06:00
18°
15%
6 mph
07:00
18°
37%
7 mph

Today · Fri 8/21

High 27°
22% / 0.01 in

Sunny. Winds NE at 6 mph.

Tonight · Fri 8/21

Low 18°
11% / –

Sunny. Winds NE at 3 mph.

Tomorrow · Sat 8/22

23° | 18°
72% / 0.13 in

Sunny. Winds NW at 14 mph.

7-day trend

Saint Marys · temperature + precipitation

10-day forecast

Updated 8:33 AM

Details & indices

Wind
5 mph NE
Gusts 9 mph
Humidity
87%
Dew point 15°
Pressure
30.06 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 25 · US EPA
Allergy
None detected
—
Visibility
1 mi
Reduced
Allergy — Saint Marys

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:54 AM
Sunset8:27 PM
Length of day13h 33m
Moonrise4:30 PM
Moonset12:24 AM
Moon phase🌓 First Quarter · 63%
Next full moonAug 28 Sturgeon Moon
Latitude40.5423°N
Longitude-84.3894°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Columbus
—
— 🌤️
Cleveland
—
— 🌤️
Cincinnati
—
— 🌤️
Toledo
—
— 🌤️
Akron
—
—
Data sources · Friday, August 21
Where the Saint Marys forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.5423°N, -84.3894°.
NBM + global weather models
Updated: 8:33 AM
Weather in Saint Marys
Over the next 10 days Saint Marys tops out around 27° (Friday) and dips to 11° on the coolest night (Monday). Models drop roughly 1.2 in of precipitation across the stretch — watch Sunday (87%). Hold onto the patio furniture Saturday: gusts could hit 28 mph. No watches or warnings are active for the area right now. Right now Saint Marys is running about 46° warmer than Detroit. Longer view: variable mid-latitude weather in every season.
Saint Marys, OH · Elev 866 ft · 40.54°N, 84.39°W · Ohio · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:33 AM