Observed 10:54 AM EDT at KILN

Port William, OH weather

Sunny and 58°14°, jacket by 8 PM.

Forecasts agree

Now 58°14°

Sunny

Wind: 5 mph8 km/h; From the southeast. 58–6 mph10 km/h through 11 PM
Dew point: 47°8°; Comfortable
UV index: 3Moderate; Moderate 12–5 PM · peak 4
Pressure: 30.46 inHg1031 hPa; Falling slowly · −0.02 inHg−0.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (59°15° then, 58°14° now)

Good hours for

High 69°21° today at 4 PM
Below 60°16° tonight after 8 PM
Low 42°6° tomorrow at 8 AM
Above 60°16° tomorrow by noon

This afternoonUp to 69°21° by 4 PM · Clear
TonightDown to 44°7° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 71°22° by 5 PM · Partly cloudy
Tomorrow nightDown to 45°7° by 4 AM · Clear
Monday morningUp to 56°13° by 10 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	61%	0%	2
Sat 12p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	53%	3%	3
Sat 1p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	6 mph10 km/h from E, gusts 7 mph12 km/h	45%	8%	4
Sat 2p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	6 mph10 km/h from E, gusts 8 mph12 km/h	43%	9%	4
Sat 3p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	6 mph10 km/h from E, gusts 7 mph12 km/h	41%	14%	4
Sat 4p	Mostly sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	41%	36%	3
Sat 5p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	43%	7%	2
Sat 6p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	45%	10%	1
Sat 7p	Mostly clear	62°17° (likely 57°14° to 62°17°)	62°17°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	52%	17%	0
Sat 8p	Clear	55°13° (likely 54°12° to 55°13°)	55°13°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	64%	43%	0
Sat 9p	Clear	52°11° (likely 52°11° to 53°12°)	52°11°	0%	5 mph8 km/h from E, gusts 10 mph16 km/h	71%	43%	0
Sat 10p	Clear	51°11° (likely 50°10° to 52°11°)	50°10°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	77%	27%	0
Sat 11p	Clear	49°9° (likely 48°9° to 51°11°)	47°8°	0%	5 mph8 km/h from E, gusts 11 mph17 km/h	83%	43%	0
Sun 12a	Clear	48°9° (likely 47°8° to 50°10°)	47°8°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	86%	4%	0
Sun 1a	Clear	47°8° (likely 46°8° to 49°9°)	46°8°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	89%	1%	0
Sun 2a	Clear	46°8° (likely 45°7° to 48°9°)	45°7°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	93%	1%	0
Sun 3a	Clear	46°8° (likely 44°7° to 47°8°)	45°7°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	93%	1%	0
Sun 4a	Clear	45°7° (likely 43°6° to 47°8°)	44°7°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	93%	1%	0
Sun 5a	Clear	44°7° (likely 42°6° to 46°8°)	42°6°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	98%	3%	0
Sun 6a	Clear	43°6° (likely 42°6° to 45°7°)	41°5°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	99%	4%	0
Sun 7a	Clear	43°6° (likely 42°6° to 45°7°)	41°5°	0%	3 mph5 km/h from E, gusts 9 mph14 km/h	97%	2%	0
Sun 8a	Sunny	42°6° (likely 41°5° to 45°7°)	40°4°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	95%	4%	0
Sun 9a	Sunny	46°8° (likely 43°6° to 47°8°)	44°7°	0%	5 mph8 km/h from SE, gusts 8 mph12 km/h	91%	5%	0
Sun 10a	Sunny	54°12° (likely 50°10° to 54°12°)	54°12°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	74%	1%	1
Sun 11a	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	62%	0%	2
Sun 12p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	54%	0%	3
Sun 1p	Sunny	66°19° (likely 64°18° to 67°19°)	66°19°	0%	3 mph5 km/h from SE, gusts 7 mph10 km/h	47%	9%	4
Sun 2p	Mostly sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	3 mph5 km/h from SE, gusts 5 mph9 km/h	41%	47%	4
Sun 3p	Mostly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	3 mph5 km/h from SE, gusts 4 mph7 km/h	39%	54%	4
Sun 4p	Mostly sunny	70°21° (likely 68°20° to 70°21°)	70°21°	0%	3 mph5 km/h from SE, gusts 3 mph5 km/h	39%	52%	3
Sun 5p	Cloudy	71°22° (likely 67°19° to 71°22°)	71°22°	0%	3 mph5 km/h from SE, gusts 3 mph6 km/h	37%	66%	2
Sun 6p	Mostly sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	2 mph3 km/h from SE, gusts 3 mph4 km/h	42%	55%	1
Sun 7p	Mostly clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	2 mph3 km/h from SE, gusts 3 mph5 km/h	46%	30%	0
Sun 8p	Mostly clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	54%	23%	0
Sun 9p	Clear	54°12° (likely 53°12° to 55°13°)	54°12°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	69%	40%	0
Sun 10p	Clear	52°11° (likely 51°11° to 53°12°)	52°11°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	75%	14%	0
Sun 11p	Mostly clear	50°10° (likely 49°9° to 52°11°)	49°9°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	84%	17%	0
Mon 12a	Clear	49°9° (likely 48°9° to 52°11°)	48°9°	0%	3 mph5 km/h from SE, gusts 10 mph17 km/h	86%	11%	0
Mon 1a	Clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	86%	8%	0
Mon 2a	Clear	47°8° (likely 46°8° to 50°10°)	47°8°	0%	2 mph3 km/h from SE, gusts 10 mph15 km/h	88%	4%	0
Mon 3a	Mostly clear	46°8° (likely 45°7° to 50°10°)	46°8°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	92%	8%	0
Mon 4a	Clear	45°7° (likely 44°7° to 49°9°)	45°7°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	92%	12%	0
Mon 5a	Clear	45°7° (likely 43°6° to 49°9°)	45°7°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	93%	16%	0
Mon 6a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	96%	19%	0
Mon 7a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	96%	18%	0
Mon 8a	Sunny	44°7° (likely 43°6° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	92%	42%	0
Mon 9a	Sunny	49°9° (likely 45°7° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	81%	27%	0
Mon 10a	Sunny	56°13° (likely 52°11° to 58°14°)	56°13°	0%	1 mph2 km/h from SW, gusts 5 mph7 km/h	70%	7%	1

Days ahead

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

Today, Oct 24. Mostly sunny. High 69°21°, low 42°6°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Today: Sunny, with a high near 69. East wind around 6 mph.
Tonight: Mostly clear, with a low around 42. East wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
41°5°–44°7°
Typical high / low
62°17° / 41°5°
Wind
8 mph12 km/h, gusts 16 mph25 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 72°22°, low 43°6°. Typical 61°16° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 72. Southeast wind around 5 mph.
Night: Mostly clear, with a low around 43. Southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–72°22°
Low, likely
41°5°–45°7°
Typical high / low
61°16° / 41°5°
Wind
8 mph12 km/h, gusts 15 mph23 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 72°22°, low 46°8°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72. West wind 0 to 3 mph.
Night: Partly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
43°6°–47°8°
Typical high / low
61°16° / 40°4°
Wind
7 mph11 km/h, gusts 15 mph25 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 70°21°, low 47°8°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
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
45°7°–50°10°
Typical high / low
60°16° / 40°4°
Wind
7 mph12 km/h, gusts 14 mph22 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 73°23°, low 49°9°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 73.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
49°9°–53°12°
Typical high / low
60°16° / 40°4°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 74°23°, low 47°8°. Typical 59°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–74°23°
Low, likely
47°8°–51°11°
Typical high / low
59°15° / 39°4°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 72°22°, low 47°8°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Night: Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
47°8°–52°11°
Typical high / low
59°15° / 39°4°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 70°21°, low 50°10°. Typical 58°14° / 38°3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  40% chance · 0.03 in0.7 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
62°17°–75°24°
Low, likely
44°7°–55°13°
Typical high / low
58°14° / 38°3°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 73°23°, low 56°13°. Typical 58°14° / 38°3°. Rain 0.18 in4.6 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  50% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  50% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  50% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  40% chance · 0.11 in2.9 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
68°20°–75°24°
Low, likely
49°9°–61°16°
Typical high / low
58°14° / 38°3°
Wind
19 mph30 km/h, gusts 33 mph53 km/h
UV peak
3
Monday, Nov 2. Showers. High 66°19°, low 56°13°. Typical 58°14° / 38°3°. Rain 0.52 in13 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 61°16°
  40% chance · 0.24 in6.1 mm
2. Afternoon
  noon–6 PM
  Showers, 63°17°
  40% chance · 0.28 in7.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  40% chance · 0.18 in4.5 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
62°17°–71°22°
Low, likely
51°11°–62°17°
Typical high / low
58°14° / 38°3°
Wind
19 mph30 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 69°, low 42°.
Tomorrow
Dry, high 72°, low 43°, warming up.
Monday
Dry, high 72°, low 46°.
Rest of week
Highs 66–74°; 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

Mad River near Dayton

23 mi

Below flood stage

Level: 2.8 ft
Flow: 411 cfs

Forecast peak 2.8 ft Sat 2 PM

Reading from Sat 10:30 AM · NWS gauge page

Massies Creek at Wilberforce

13 mi

Below flood stage

Level: 2.2 ft
Flow: 15 cfs

Reading from Sat 10:30 AM · NWS gauge page

Little Miami River near Spring Valley

13 mi

Below flood stage

Level: 2.7 ft
Flow: 130 cfs

Reading from Sat 10 AM · NWS gauge page

Caesar Creek at Caesar Creek Lake

15 mi

Level: 847 ft

Reading from Sat 9:45 AM · NWS gauge page

For your home

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

Heating this week

About 79% less heating than a typical week.

This week 22Typical 104

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 16
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 1 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 47°F).

Open the windows?

Today, 12:00 PM–7:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Wilmington Air Park · official normals 1991–2020 · records 1917–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

−5°−3°SunOct 18
−1°MonOct 19
+2°+1°TueOct 20
+2°+1°WedOct 21
+2°+1°ThuOct 22
+3°+1°FriOct 23
—SatOct 24

Port William weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 6:06–7:00 PM; Morning 7:37–8:32 AM
Blue hour: 7:00–7:10 PM; Morning 7:27–7:37 AM; first light 7:27 AM

Stars tonight? Fair

Mostly clear 12–7:28 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:08 AM · rises 5:40 PM
Full moon: Oct 26
New moon: Nov 9

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

Port William, OH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Mad River near Dayton

Massies Creek at Wilberforce

Little Miami River near Spring Valley

Caesar Creek at Caesar Creek Lake

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