Observed 11:15 AM EDT at KAXV

St. Marys, OH weather

Sunny and 54°12°, 9°5° warmer than a typical Oct 24, jacket by 9 PM.

Mostly agree

Now 54°12°

Sunny

Wind: Calm; Light through 12 AM
Dew point: 50°10°; Comfortable
UV index: 3Moderate; Moderate until 4 PM · peak 4
Air quality: 9Good; Main pollutant: Ozone
Pressure: 30.47 inHg1032 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

7°4° cooler than this time yesterday (61°16° then, 54°12° now)

Good hours for

High 69°21° today at 5 PM
Below 60°16° tonight after 9 PM
Low 43°6° tomorrow at 8 AM
Above 60°16° tomorrow by noon

This afternoonUp to 69°21° by 5 PM · Partly cloudy
TonightDown to 45°7° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 71°22° by 5 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 4 AM · Partly cloudy
Monday morningUp to 60°16° by 11 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 12p	Mostly sunny	60°16° (likely 56°13° to 62°17°)	60°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	62%	28%	3
Sat 1p	Sunny	63°17° (likely 59°15° to 65°18°)	63°17°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	55%	17%	4
Sat 2p	Mostly sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	49%	54%	4
Sat 3p	Mostly sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	58%	3
Sat 4p	Mostly sunny	68°20° (likely 65°18° to 69°21°)	68°20°	0%	0 mph0 km/h, gusts 4 mph6 km/h	43%	37%	2
Sat 5p	Mostly sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	42%	45%	1
Sat 6p	Mostly sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 6 mph10 km/h	45%	46%	0
Sat 7p	Mostly clear	64°18° (likely 57°14° to 64°18°)	64°18°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	52%	48%	0
Sat 8p	Mostly clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	61%	50%	0
Sat 9p	Mostly clear	55°13° (likely 52°11° to 56°13°)	55°13°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	72%	50%	0
Sat 10p	Mostly clear	53°12° (likely 50°10° to 54°12°)	53°12°	0%	2 mph3 km/h from SE, gusts 10 mph15 km/h	77%	47%	0
Sat 11p	Mostly clear	52°11° (likely 49°9° to 53°12°)	52°11°	0%	2 mph3 km/h from SE, gusts 9 mph15 km/h	78%	11%	0
Sun 12a	Clear	50°10° (likely 47°8° to 52°11°)	50°10°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	83%	6%	0
Sun 1a	Clear	49°9° (likely 46°8° to 51°11°)	49°9°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	83%	2%	0
Sun 2a	Clear	48°9° (likely 45°7° to 50°10°)	48°9°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	86%	0%	0
Sun 3a	Clear	47°8° (likely 43°6° to 48°9°)	47°8°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	89%	0%	0
Sun 4a	Clear	46°8° (likely 42°6° to 47°8°)	46°8°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	89%	1%	0
Sun 5a	Clear	45°7° (likely 42°6° to 47°8°)	45°7°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	94%	2%	0
Sun 6a	Clear	44°7° (likely 41°5° to 46°8°)	44°7°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	95%	10%	0
Sun 7a	Clear	44°7° (likely 41°5° to 45°7°)	44°7°	0%	2 mph3 km/h from SE, gusts 8 mph14 km/h	93%	8%	0
Sun 8a	Sunny	43°6° (likely 40°4° to 45°7°)	43°6°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	95%	3%	0
Sun 9a	Sunny	46°8° (likely 42°6° to 48°9°)	45°7°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	92%	9%	0
Sun 10a	Sunny	53°12° (likely 50°10° to 53°12°)	53°12°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	78%	1%	1
Sun 11a	Partly sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	67%	52%	2
Sun 12p	Partly sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	56%	51%	3
Sun 1p	Partly sunny	66°19° (likely 63°17° to 67°19°)	66°19°	0%	3 mph5 km/h from S, gusts 6 mph10 km/h	50%	70%	4
Sun 2p	Cloudy	69°21° (likely 65°18° to 69°21°)	69°21°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	44%	60%	4
Sun 3p	Mostly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	3 mph5 km/h from S, gusts 6 mph10 km/h	41%	69%	4
Sun 4p	Mostly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	40%	70%	3
Sun 5p	Partly sunny	71°22° (likely 66°19° to 71°22°)	71°22°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	39%	69%	2
Sun 6p	Cloudy	69°21° (likely 63°17° to 69°21°)	69°21°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	42%	67%	1
Sun 7p	Cloudy	65°18° (likely 59°15° to 65°18°)	65°18°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	49%	61%	0
Sun 8p	Mostly clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	53%	65%	0
Sun 9p	Mostly clear	56°13° (likely 55°13° to 57°14°)	56°13°	0%	2 mph3 km/h from SE, gusts 7 mph10 km/h	67%	49%	0
Sun 10p	Mostly clear	55°13° (likely 53°12° to 56°13°)	55°13°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	72%	64%	0
Sun 11p	Mostly clear	54°12° (likely 51°11° to 55°13°)	54°12°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	78%	23%	0
Mon 12a	Clear	52°11° (likely 50°10° to 53°12°)	52°11°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	82%	26%	0
Mon 1a	Clear	51°11° (likely 48°9° to 53°12°)	51°11°	0%	2 mph3 km/h from S, gusts 10 mph15 km/h	84%	31%	0
Mon 2a	Partly cloudy	49°9° (likely 47°8° to 52°11°)	49°9°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	88%	56%	0
Mon 3a	Cloudy	49°9° (likely 46°8° to 51°11°)	49°9°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	90%	77%	0
Mon 4a	Cloudy	48°9° (likely 45°7° to 51°11°)	48°9°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	90%	85%	0
Mon 5a	Partly cloudy	48°9° (likely 45°7° to 50°10°)	48°9°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	91%	69%	0
Mon 6a	Partly cloudy	46°8° (likely 45°7° to 50°10°)	46°8°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	93%	55%	0
Mon 7a	Partly cloudy	45°7° (likely 44°7° to 48°9°)	45°7°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	94%	52%	0
Mon 8a	Partly sunny	46°8° (likely 43°6° to 49°9°)	46°8°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	92%	58%	0
Mon 9a	Partly sunny	50°10° (likely 44°7° to 53°12°)	50°10°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	86%	38%	0
Mon 10a	Partly sunny	55°13° (likely 52°11° to 57°14°)	55°13°	0%	1 mph2 km/h from SW, gusts 6 mph9 km/h	78%	39%	1
Mon 11a	Partly sunny	60°16° (likely 59°15° to 62°17°)	60°16°	0%	1 mph2 km/h from SW, gusts 6 mph10 km/h	69%	48%	2

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 70°21°, low 43°6°. Typical 61°16° / 41°5°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Today: Sunny, with a high near 70. East wind around 1 mph.
Tonight: Mostly clear, with a low around 43. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
41°5°–45°7°
Typical high / low
61°16° / 41°5°
Wind
7 mph12 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 72°22°, low 45°7°. Typical 60°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 72. South wind around 3 mph.
Night: Mostly clear, with a low around 45. South wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–72°22°
Low, likely
40°4°–45°7°
Typical high / low
60°16° / 41°5°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 72°22°, low 47°8°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 72. Southwest wind around 2 mph.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
44°7°–48°9°
Typical high / low
60°16° / 40°4°
Wind
7 mph10 km/h, gusts 15 mph23 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 68°20°, low 47°8°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 68.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
47°8°–50°10°
Typical high / low
59°15° / 40°4°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 72°22°, low 51°11°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 72.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
49°9°–53°12°
Typical high / low
59°15° / 40°4°
Wind
10 mph16 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 74°23°, low 47°8°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
47°8°–53°12°
Typical high / low
58°14° / 39°4°
Wind
11 mph18 km/h, gusts 19 mph31 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 71°22°, low 47°8°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–74°23°
Low, likely
44°7°–54°12°
Typical high / low
58°14° / 39°4°
Wind
11 mph18 km/h, gusts 21 mph33 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 69°21°, low 51°11°. Typical 57°14° / 38°3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  40% chance · 0.04 in1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–75°24°
Low, likely
44°7°–56°13°
Typical high / low
57°14° / 38°3°
Wind
11 mph17 km/h, gusts 22 mph36 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 69°21°, low 56°13°. Typical 57°14° / 38°3°. Rain 0.29 in7.4 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  50% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°19°
  40% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Rain, 62°17°
  50% chance · 0.17 in4.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
49°9°–61°16°
Typical high / low
57°14° / 38°3°
Wind
23 mph36 km/h, gusts 36 mph58 km/h
UV peak
2
Monday, Nov 2. Rain. High 63°17°, low 57°14°. Typical 56°13° / 38°3°. Rain 0.59 in15 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 62°16°
  40% chance · 0.24 in6.1 mm
2. Afternoon
  noon–6 PM
  Rain, 63°17°
  40% chance · 0.41 in11 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  40% chance · 0.33 in8.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–71°22°
Low, likely
54°12°–64°18°
Typical high / low
56°13° / 38°3°
Wind
21 mph33 km/h, gusts 42 mph68 km/h

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 43°.
Tomorrow
Dry, high 72°, low 45°.
Monday
Dry, high 72°, low 47°.
Rest of week
Highs 63–74°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ILN) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Great Miami River at Sidney

22 mi

Below flood stage

Level: 1.1 ft
Flow: 125 cfs

Forecast peak 1.1 ft Sat 2 PM

Reading from Sat 10:30 AM · NWS gauge page

Loramie Creek near Lockington

24 mi

Below flood stage

Level: 0.9 ft
Flow: 36 cfs

Forecast peak 0.9 ft Sat 2 PM

Reading from Sat 10:30 AM · NWS gauge page

Loramie Creek near Newport

17 mi

Level: 3.5 ft
Flow: 17 cfs

Reading from Sat 10:30 AM · NWS gauge page

St. Marys River at Rockford

17 mi

Below flood stage

Level: 1.6 ft
Flow: 46 cfs

Reading from Sat 10:40 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 82% less heating than a typical week.

This week 20Typical 108

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 10
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 50°F).

Open the windows?

Today, 1:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

CELINA 3 NE · official normals 1991–2020 · records 1897–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

St. Marys weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 46 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 29 min less
Golden hour: 6:06–7:01 PM; Morning 7:41–8:36 AM
Blue hour: 7:01–7:12 PM; Morning 7:30–7:41 AM; first light 7:30 AM

Stars tonight? Fair

Mostly clear 11 PM–7:31 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:11 AM · rises 5:41 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from St. Marys. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

St. Marys, OH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Great Miami River at Sidney

Loramie Creek near Lockington

Loramie Creek near Newport

St. Marys River at Rockford

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon