Observed 1:40 PM EDT at KDAY

Troy, OH weather

Mostly sunny and 64°18°, jacket by 8 PM.

Forecasts agree

Now 64°18°

Mostly sunny

Wind: 5 mph7 km/h; From the north-northeast. Up to 5 mph8 km/h through 2 AM
Dew point: 45°7°; Comfortable
UV index: 4Moderate; Moderate until 4 PM
Air quality: 69Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.35 inHg1028 hPa; Falling slowly · −0.04 inHg−1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 69°21° today at 3 PM
Drops 12°7° tonight 6–9 PM (67°19° → 55°13°)
Low 40°4° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 69°21° · Clear
TonightDown to 42°6° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 70°21° by 4 PM · Partly cloudy
Tomorrow nightDown to 45°7° by 4 AM · Partly cloudy
Sunday morningUp to 59°15° by 11 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
Fri 2p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	42%	9%	4
Fri 3p	Sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	40%	11%	3
Fri 4p	Sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	40%	9%	2
Fri 5p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	40%	12%	1
Fri 6p	Sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	43%	11%	0
Fri 7p	Clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	50%	12%	0
Fri 8p	Clear	55°13° (likely 55°13° to 58°14°)	55°13°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	66%	12%	0
Fri 9p	Mostly clear	52°11° (likely 52°11° to 56°13°)	52°11°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	74%	43%	0
Fri 10p	Mostly clear	49°9° (likely 49°9° to 54°12°)	49°9°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	86%	25%	0
Fri 11p	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	89%	3%	0
Sat 12a	Mostly clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	93%	10%	0
Sat 1a	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	6%	0
Sat 2a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	2%	0
Sat 3a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	1%	0
Sat 4a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	2%	0
Sat 5a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	100%	3%	0
Sat 6a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	100%	2%	0
Sat 7a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	1%	0
Sat 8a	Sunny	40°4° (likely 40°4° to 44°7°)	40°4°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	3%	0
Sat 9a	Sunny	43°6° (likely 43°6° to 47°8°)	43°6°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	1%	0
Sat 10a	Sunny	53°12° (likely 50°10° to 53°12°)	53°12°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	71%	40%	1
Sat 11a	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	60%	41%	2
Sat 12p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	52%	42%	3
Sat 1p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	45%	43%	4
Sat 2p	Mostly sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	43%	44%	4
Sat 3p	Mostly sunny	68°20° (likely 67°19° to 68°20°)	68°20°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	43%	46%	4
Sat 4p	Mostly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	39%	45%	3
Sat 5p	Mostly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	42%	45%	2
Sat 6p	Mostly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	3 mph5 km/h from E, gusts 9 mph14 km/h	43%	47%	1
Sat 7p	Clear	64°18° (likely 58°14° to 64°18°)	64°18°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	48%	43%	0
Sat 8p	Partly cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	62%	50%	0
Sat 9p	Mostly clear	54°12° (likely 53°12° to 55°13°)	54°12°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	69%	44%	0
Sat 10p	Mostly clear	52°11° (likely 51°11° to 53°12°)	52°11°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	77%	17%	0
Sat 11p	Clear	50°10° (likely 50°10° to 51°11°)	49°9°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	83%	23%	0
Sun 12a	Mostly clear	50°10° (likely 48°9° to 50°10°)	50°10°	0%	2 mph3 km/h from SE, gusts 8 mph14 km/h	83%	22%	0
Sun 1a	Mostly clear	48°9° (likely 47°8° to 49°9°)	48°9°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	93%	10%	0
Sun 2a	Clear	47°8° (likely 46°8° to 48°9°)	47°8°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	96%	4%	0
Sun 3a	Clear	46°8° (likely 45°7° to 47°8°)	46°8°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	100%	3%	0
Sun 4a	Clear	45°7° (likely 44°7° to 46°8°)	45°7°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	100%	3%	0
Sun 5a	Clear	45°7° (likely 43°6° to 46°8°)	45°7°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	100%	38%	0
Sun 6a	Clear	44°7° (likely 42°6° to 45°7°)	44°7°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	100%	2%	0
Sun 7a	Clear	44°7° (likely 41°5° to 45°7°)	44°7°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	100%	27%	0
Sun 8a	Sunny	43°6° (likely 40°4° to 46°8°)	43°6°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	100%	1%	0
Sun 9a	Sunny	46°8° (likely 40°4° to 50°10°)	45°7°	0%	3 mph5 km/h from SE, gusts 4 mph7 km/h	93%	0%	0
Sun 10a	Mostly sunny	52°11° (likely 47°8° to 55°13°)	52°11°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	74%	7%	1
Sun 11a	Sunny	59°15° (likely 55°13° to 59°15°)	59°15°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	60%	1%	2
Sun 12p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	52%	4%	3
Sun 1p	Sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	45%	7%	4

Days ahead

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

Today, Oct 23. Sunny. High 69°21°, low 40°4°. Typical 63°17° / 44°7°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Today: Sunny, with a high near 69. East wind around 5 mph.
Tonight: Mostly clear, with a low around 40. East wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
40°4°–42°6°
Typical high / low
63°17° / 44°7°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 24. Mostly sunny. High 70°21°, low 43°6°. Typical 63°17° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. East wind 1 to 5 mph.
Night: Mostly clear, with a low around 43. East wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–70°21°
Low, likely
41°5°–44°7°
Typical high / low
63°17° / 43°6°
Wind
7 mph10 km/h
UV peak
4
Sunday, Oct 25. Mostly sunny. High 72°22°, low 44°7°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 72. Southeast wind around 5 mph.
Night: Mostly clear, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–72°22°
Low, likely
41°5°–44°7°
Typical high / low
62°17° / 43°6°
Wind
6 mph9 km/h, gusts 12 mph20 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 73°23°, low 46°8°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Mostly cloudy, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
70°21°–73°23°
Low, likely
40°4°–49°9°
Typical high / low
62°17° / 42°6°
Wind
5 mph8 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 69°21°, low 45°7°. Typical 61°16° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 69.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
42°6°–50°10°
Typical high / low
61°16° / 42°6°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 69°21°, low 46°8°. Typical 61°16° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°21°
  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 69.
Night: Partly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
46°8°–53°12°
Typical high / low
61°16° / 42°6°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 72°22°, low 45°7°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  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 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–74°23°
Low, likely
45°7°–51°11°
Typical high / low
60°16° / 41°5°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 68°20°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
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°–76°24°
Low, likely
39°4°–54°12°
Typical high / low
60°16° / 41°5°
Wind
8 mph13 km/h, gusts 22 mph36 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 66°19°, low 49°9°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 55°13°
  30% chance · 0.04 in1.1 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
52°11°–75°24°
Low, likely
34°1°–57°14°
Typical high / low
60°16° / 41°5°
Wind
11 mph17 km/h, gusts 20 mph32 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 65°18°, low 56°13°. Typical 59°15° / 40°4°. Rain 0.33 in8.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 56°13°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  40% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  40% chance · 0.13 in3.3 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–68°20°
Low, likely
44°7°–64°18°
Typical high / low
59°15° / 40°4°
Wind
21 mph34 km/h, gusts 34 mph54 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 69°, low 40°.
Tomorrow
Dry, high 70°, low 43°.
Sunday
Dry, high 72°, low 44°.
Rest of week
Highs 65–73°; chance of precipitation on Sunday.

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 Troy

1.9 mi

Below flood stage

Level: 2.5 ft
Flow: 246 cfs

Forecast peak 2.6 ft Fri 2 PM

Reading from Fri 1 PM · NWS gauge page

Great Miami River at Piqua

7.6 mi

Below flood stage

Level: 1.3 ft
Flow: 171 cfs

Forecast peak 1.3 ft Fri 2 PM

Reading from Fri 1 PM · NWS gauge page

Great Miami River near Taylorsville

12 mi

Below flood stage

Level: 3.0 ft
Flow: 796 cfs

Forecast peak 3.0 ft Fri 2 PM

Reading from Fri 12:30 PM · NWS gauge page

Loramie Creek near Lockington

12 mi

Below flood stage

Level: 0.8 ft
Flow: 32 cfs

Forecast peak 0.9 ft Fri 2 PM

Reading from Fri 12:30 PM · NWS gauge page

For your home

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

Heating this week

About 74% less heating than a typical week.

This week 23Typical 91

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 18
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 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 3:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Dayton International Airport · official normals 1991–2020 · records 1893–2026

Oct 23, today vs a typical year

Today’s expected high is 6°3° warmer than typical.

Last 7 days vs normal

On average 3°1° colder than normal (daily mean temperature).

−10°−6°SatOct 17
−5°−3°SunOct 18
−2°−1°MonOct 19
+1°±0°TueOct 20
±0°WedOct 21
+2°+1°ThuOct 22
—FriOct 23

Troy weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 6:08–7:02 PM; Morning 7:39–8:33 AM
Blue hour: 7:02–7:13 PM; Morning 7:28–7:39 AM; first light 7:28 AM

Stars tonight? Good

Clear 10 PM–7:29 AM; moon 95% lit, sets 6:10 AM.

Moon

Waxing gibbous

93% lit · growing

Today: sets 5:01 AM · rises 5:17 PM
Full moon: Oct 26
New moon: Nov 9

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

Troy, OH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Great Miami River at Troy

Great Miami River at Piqua

Great Miami River near Taylorsville

Loramie Creek near Lockington

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon