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Observed 5:40 PM EDT at KDAY

Casstown, OH weather

Mostly sunny and 64°18°, jacket by 9 PM.

Today: low 43°6° (likely 41°5° to 44°7°), high 70°21° (likely 67°19° to 70°21°).

Forecasts agree

Now 64°18°

Mostly sunny

Wind
5 mph7 km/h
From the east-southeast. Up to 5 mph8 km/h through 5 AM
Dew point
45°7°
Comfortable
UV tomorrow
4Moderate
Moderate 12–5 PM · peak 4
Air quality
54Moderate
Main pollutant: Ozone
Pressure
30.4 inHg1029 hPa
Falling slowly · −0.02 inHg−0.5 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Below 60°16° tonight after 9 PM
  • Low 43°6° tomorrow at 8 AM
  • Above 60°16° tomorrow by noon
  • High 70°21° tomorrow at 3 PM
  1. TonightDown to 45°7° by 5 AM · Clear
  2. Tomorrow morningUp to 58°14° by 11 AM · Clear
  3. Tomorrow afternoonUp to 71°22° by 5 PM · Mostly cloudy
  4. Tomorrow nightDown to 46°8° by 4 AM · Partly cloudy
  5. Monday morningUp to 60°16° by 11 AM · Partly cloudy
  6. Monday afternoonUp to 74°23° by 4 PM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 5pMostly sunny69°21° (likely 66°19° to 70°21°)69°21°0%3 mph5 km/h from E, gusts 6 mph10 km/h41%11%1
Sat 6pMostly sunny67°19° (likely 63°17° to 67°19°)67°19°0%3 mph5 km/h from E, gusts 9 mph14 km/h44%30%0
Sat 7pMostly clear63°17° (likely 58°14° to 63°17°)63°17°0%3 mph5 km/h from E, gusts 8 mph13 km/h50%61%0
Sat 8pMostly clear60°16° (likely 55°13° to 60°16°)60°16°0%5 mph8 km/h from E, gusts 10 mph15 km/h59%12%0
Sat 9pMostly clear54°12° (likely 54°12° to 57°14°)54°12°0%3 mph5 km/h from E, gusts 10 mph16 km/h66%33%0
Sat 10pMostly clear52°11° (likely 52°11° to 56°13°)52°11°0%3 mph5 km/h from E, gusts 10 mph16 km/h77%25%0
Sat 11pClear51°11° (likely 51°11° to 54°12°)51°11°0%3 mph5 km/h from E, gusts 11 mph18 km/h80%13%0
Sun 12aClear50°10° (likely 49°9° to 53°12°)49°9°0%3 mph5 km/h from SE, gusts 11 mph18 km/h83%9%0
Sun 1aClear49°9° (likely 48°9° to 52°11°)48°9°0%3 mph5 km/h from SE, gusts 10 mph16 km/h83%3%0
Sun 2aClear48°9° (likely 47°8° to 50°10°)48°9°0%2 mph3 km/h from SE, gusts 9 mph15 km/h86%0%0
Sun 3aClear47°8° (likely 46°8° to 49°9°)47°8°0%2 mph3 km/h from SE, gusts 8 mph13 km/h91%0%0
Sun 4aClear46°8° (likely 45°7° to 48°9°)46°8°0%2 mph3 km/h from SE, gusts 7 mph11 km/h93%0%0
Sun 5aClear45°7° (likely 44°7° to 47°8°)45°7°0%2 mph3 km/h from SE, gusts 7 mph12 km/h96%0%0
Sun 6aClear44°7° (likely 43°6° to 46°8°)44°7°0%2 mph3 km/h from SE, gusts 7 mph11 km/h95%0%0
Sun 7aClear44°7° (likely 43°6° to 45°7°)44°7°0%2 mph3 km/h from SE, gusts 5 mph9 km/h97%0%0
Sun 8aSunny43°6° (likely 43°6° to 44°7°)43°6°0%2 mph3 km/h from SE, gusts 6 mph10 km/h99%0%0
Sun 9aSunny45°7° (likely 45°7° to 46°8°)44°7°0%3 mph5 km/h from SE, gusts 7 mph11 km/h100%0%0
Sun 10aSunny53°12° (likely 52°11° to 53°12°)53°12°0%3 mph5 km/h from SE, gusts 7 mph11 km/h86%34%1
Sun 11aSunny58°14° (likely 56°13° to 58°14°)58°14°0%3 mph5 km/h from SE, gusts 6 mph10 km/h75%4%2
Sun 12pMostly sunny63°17° (likely 61°16° to 63°17°)63°17°0%3 mph5 km/h from S, gusts 7 mph11 km/h62%47%3
Sun 1pMostly sunny66°19° (likely 64°18° to 66°19°)66°19°0%3 mph5 km/h from S, gusts 7 mph11 km/h56%52%4
Sun 2pCloudy68°20° (likely 66°19° to 68°20°)68°20°0%3 mph5 km/h from S, gusts 6 mph9 km/h50%77%4
Sun 3pCloudy70°21° (likely 67°19° to 70°21°)70°21°0%3 mph5 km/h from S, gusts 6 mph9 km/h46%77%4
Sun 4pMostly sunny70°21° (likely 67°19° to 70°21°)70°21°0%2 mph3 km/h from S, gusts 5 mph8 km/h45%60%3
Sun 5pMostly sunny71°22° (likely 66°19° to 71°22°)71°22°0%2 mph3 km/h from S, gusts 5 mph8 km/h42%54%2
Sun 6pMostly sunny68°20° (likely 63°17° to 68°20°)68°20°0%1 mph2 km/h from SE, gusts 5 mph8 km/h48%65%1
Sun 7pCloudy65°18° (likely 59°15° to 65°18°)65°18°0%1 mph2 km/h from SE, gusts 5 mph8 km/h52%67%0
Sun 8pPartly cloudy61°16° (likely 56°13° to 61°16°)61°16°0%2 mph3 km/h from SE, gusts 6 mph10 km/h60%59%0
Sun 9pMostly clear55°13° (likely 54°12° to 58°14°)55°13°0%2 mph3 km/h from SE, gusts 6 mph10 km/h74%48%0
Sun 10pMostly clear53°12° (likely 52°11° to 55°13°)53°12°0%2 mph3 km/h from SE, gusts 6 mph10 km/h80%11%0
Sun 11pMostly clear52°11° (likely 50°10° to 53°12°)52°11°0%3 mph5 km/h from SE, gusts 9 mph14 km/h80%25%0
Mon 12aClear51°11° (likely 48°9° to 52°11°)51°11°0%3 mph5 km/h from SE, gusts 8 mph13 km/h84%51%0
Mon 1aMostly clear49°9° (likely 47°8° to 51°11°)49°9°0%2 mph3 km/h from SE, gusts 9 mph15 km/h87%41%0
Mon 2aClear48°9° (likely 46°8° to 49°9°)48°9°0%2 mph3 km/h from SE, gusts 8 mph13 km/h89%23%0
Mon 3aClear47°8° (likely 45°7° to 48°9°)47°8°0%2 mph3 km/h from SE, gusts 7 mph11 km/h93%54%0
Mon 4aMostly clear46°8° (likely 44°7° to 48°9°)46°8°0%2 mph3 km/h from S, gusts 6 mph10 km/h92%67%0
Mon 5aMostly clear46°8° (likely 44°7° to 48°9°)46°8°0%2 mph3 km/h from S, gusts 5 mph9 km/h93%78%0
Mon 6aMostly clear46°8° (likely 43°6° to 47°8°)46°8°0%1 mph2 km/h from S, gusts 5 mph8 km/h94%45%0
Mon 7aMostly clear45°7° (likely 43°6° to 47°8°)45°7°0%1 mph2 km/h from S, gusts 5 mph8 km/h94%40%0
Mon 8aPartly sunny45°7° (likely 43°6° to 46°8°)45°7°0%1 mph2 km/h from S, gusts 5 mph8 km/h93%47%0
Mon 9aMostly sunny47°8° (likely 45°7° to 49°9°)47°8°0%1 mph2 km/h from S, gusts 5 mph8 km/h96%45%0
Mon 10aMostly sunny53°12° (likely 51°11° to 54°12°)53°12°0%1 mph2 km/h from SW, gusts 5 mph8 km/h83%40%1
Mon 11aMostly sunny60°16° (likely 57°14° to 60°16°)60°16°0%1 mph2 km/h from SW, gusts 5 mph9 km/h69%53%2
Mon 12pMostly sunny65°18° (likely 61°16° to 65°18°)65°18°0%1 mph2 km/h from SW, gusts 5 mph9 km/h59%56%3
Mon 1pMostly sunny69°21° (likely 66°19° to 69°21°)69°21°0%2 mph3 km/h from W, gusts 5 mph9 km/h52%57%4
Mon 2pPartly sunny71°22° (likely 69°21° to 71°22°)71°22°0%2 mph3 km/h from W, gusts 7 mph11 km/h47%62%4
Mon 3pCloudy73°23° (likely 70°21° to 73°23°)73°23°0%2 mph3 km/h from W, gusts 7 mph11 km/h43%75%4
Mon 4pCloudy74°23° (likely 70°21° to 74°23°)74°23°0%2 mph3 km/h from W, gusts 7 mph12 km/h41%74%3

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 70°21°, low 43°6°. Typical 63°17° / 43°6°. Dry. Forecasts agree.
    1. Evening

      6 PM–midnight

      Mostly clear, 60°16°

      Dry

    2. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 70. East wind around 3 mph.

    Tonight: 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
    9 mph14 km/h, gusts 16 mph26 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 71°22°, low 45°7°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 71. Southeast wind around 3 mph.

    Night: Mostly clear, with a low around 45. Southeast wind around 3 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    67°19°–71°22°
    Low, likely
    42°6°–45°7°
    Typical high / low
    62°17° / 43°6°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 74°23°, low 47°8°. Typical 62°17° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 49°10°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 74. Southwest wind around 2 mph.

    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
    42°6°–47°8°
    Typical high / low
    62°17° / 42°6°
    Wind
    7 mph11 km/h, gusts 13 mph21 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 71°22°, low 49°9°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      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: Mostly sunny, with a high near 71.

    Night: Mostly cloudy, with a low around 49.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    68°20°–71°22°
    Low, likely
    46°8°–49°9°
    Typical high / low
    61°16° / 42°6°
    Wind
    8 mph12 km/h, gusts 15 mph25 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 73°23°, low 50°10°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 51°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 51°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 73.

    Night: Partly cloudy, with a low around 50.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    69°21°–73°23°
    Low, likely
    50°10°–51°11°
    Typical high / low
    61°16° / 42°6°
    Wind
    10 mph17 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 76°24°, low 50°10°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°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 76.

    Night: Mostly clear, with a low around 50.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    72°22°–76°24°
    Low, likely
    47°8°–52°11°
    Typical high / low
    60°16° / 41°5°
    Wind
    12 mph19 km/h, gusts 22 mph35 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 75°24°, low 52°11°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 62°17°

      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 75.

    Night: Partly cloudy, with a low around 52.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    68°20°–76°24°
    Low, likely
    47°8°–53°12°
    Typical high / low
    60°16° / 41°5°
    Wind
    9 mph14 km/h, gusts 20 mph32 km/h
    UV peak
    2
  8. Saturday, Oct 31. Cloudy. High 72°22°, low 52°11°. Typical 60°16° / 41°5°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      20% chance

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 62°17°

      50% 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.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    66°19°–78°26°
    Low, likely
    47°8°–58°14°
    Typical high / low
    60°16° / 41°5°
    Wind
    12 mph19 km/h, gusts 22 mph35 km/h
    UV peak
    4
  9. Sunday, Nov 1. Drizzle. High 68°20°, low 60°16°. Typical 59°15° / 40°4°. Rain 0.46 in12 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      50% chance · 0.27 in6.8 mm

    2. Afternoon

      noon–6 PM

      Partly sunny, 67°19°

      50% chance · 0.12 in3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 66°19°

      40% chance · 0.03 in0.7 mm

    4. Overnight

      midnight–6 AM

      Showers, 60°16°

      40% chance · 0.4 in10.1 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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–70°21°
    Low, likely
    57°14°–63°17°
    Typical high / low
    59°15° / 40°4°
    Wind
    21 mph34 km/h, gusts 34 mph55 km/h
    UV peak
    2
  10. Monday, Nov 2. Showers. High 66°19°, low 50°10°. Typical 59°15° / 40°4°. Rain 0.66 in17 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Showers, 59°15°

      40% chance · 0.28 in7.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 56°13°

      40% chance · 0.07 in1.7 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 50°10°

      30% 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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–69°21°
    Low, likely
    40°4°–60°16°
    Typical high / low
    59°15° / 40°4°
    Wind
    19 mph31 km/h, gusts 38 mph62 km/h

The outlook

  1. Today

    Dry, high 70°, low 43°.

  2. Tomorrow

    Dry, high 71°, low 45°.

  3. Monday

    Dry, high 74°, low 47°, warming up.

  4. Rest of week

    Highs 66–76°; 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 Troy

3.5 mi
Below flood stage
Level
2.5 ft
Flow
238 cfs

Forecast peak 2.5 ft Sat 8 PM

Reading from Sat 4 PM · NWS gauge page

Great Miami River at Piqua

8.6 mi
Below flood stage
Level
1.3 ft
Flow
165 cfs

Forecast peak 1.3 ft Sat 8 PM

Reading from Sat 4 PM · NWS gauge page

Great Miami River near Taylorsville

12 mi
Below flood stage
Level
2.9 ft
Flow
765 cfs

Forecast peak 2.9 ft Sat 8 PM

Reading from Sat 4:30 PM · NWS gauge page

Loramie Creek near Lockington

13 mi
Below flood stage
Level
0.8 ft
Flow
32 cfs

Forecast peak 0.9 ft Sat 8 PM

Reading from Sat 4:30 PM · NWS gauge page

For your home

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

Heating this week

About 78% less heating than a typical week.

This week 21Typical 94

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
14
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 45°F).

Open the windows?

Today, 6:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 24, today vs a typical year

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

Normal high / low
63°17° / 43°6°
Forecast high / low
70°21° / 43°6°
Record high
82°28° in 1899
Record low
23°−5° in 1981

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

  1. −5°−3°SunOct 18
  2. −2°−1°MonOct 19
  3. +1°±0°TueOct 20
  4. ±0°WedOct 21
  5. +2°+1°ThuOct 22
  6. +2°+1°FriOct 23
  7. —SatOct 24

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

Sun & moon

Sun

Sunrise 7:56 AM, sunset 6:43 PM.

Daylight
10 h 47 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 28 min less
Golden hour
6:06–7:00 PM
Morning 7:39–8:34 AM
Blue hour
7:00–7:11 PM
Morning 7:29–7:39 AM; first light 7:29 AM

Stars tonight? Fair

Mostly clear 11 PM–7:30 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 6:10 AM · rises 5:41 PM
Full moon
Oct 26
New moon
Nov 9
Looking west from Casstown. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.