As of 03:48 EDT

Weather in Dayton, IN

37°Current weather

Dayton, Sunday, 18 October, 03:48

Clear. Feels like 37°. High 60°, low 37°.

Pressure30.50 inHg
Wind0 mph N
Humidity91%
Visibility6.2 mi
Dew point34°

Monthly outlook for Dayton, IN: average high 66.6°, average low 47.2°. That is 3.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 29 October (74.8°), the coolest 18 October (36.7°).

66.6°/47.2°
Average high / low
+3.9°
Above normal
4 / 5
Wet days / normal
1.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
18 October – 27 October64.9°60.4°+2.5°
28 October – 6 November69.5°57.1°+6.9°
7 November – 16 Novemberat normal51.2°—

October records over 66 years

88.2°3 October 2025All-time high
21.7°24 October 1981All-time low

Climate normals and records are computed from the nearest reference point — Lafayette (5 mi).

Mon, 1965° / 40°0Clear
65 °Clear

Dayton, Monday, 19 October

Clear. High 65°, low 40°.

Pressure30.42 inHg
Wind0.1 mph N
Humidity56%
Visibility6.2 mi
Dew point43°
Tue, 2067° / 41°0Clear
67 °Clear

Dayton, Tuesday, 20 October

Clear. High 67°, low 41°.

Pressure30.42 inHg
Wind2.3 mph E
Humidity56%
Visibility6.2 mi
Dew point45°
Wed, 2168° / 43°0Clear
68 °Clear

Dayton, Wednesday, 21 October

Clear. High 68°, low 43°.

Pressure30.33 inHg
Wind1.3 mph S
Humidity64%
Visibility6.2 mi
Dew point48°
Thu, 2267° / 46°0Clear
67 °Clear

Dayton, Thursday, 22 October

Clear. High 67°, low 46°.

Pressure30.24 inHg
Wind6.6 mph N
Humidity49%
Visibility—
Dew point45°
Fri, 2367° / 48°0Partly cloudy
67 °Partly cloudy

Dayton, Friday, 23 October

Partly cloudy. High 67°, low 48°.

Pressure30.36 inHg
Wind9.2 mph E
Humidity53%
Visibility—
Dew point45°
Sat, 2471° / 52°0Overcast
71 °Overcast

Dayton, Saturday, 24 October

Overcast. High 71°, low 52°.

Pressure30.30 inHg
Wind10.9 mph S
Humidity32%
Visibility—
Dew point36°
Sun, 2565° / 50°0Overcast
65 °Overcast

Dayton, Sunday, 25 October

Overcast. High 65°, low 50°.

Pressure30.33 inHg
Wind12.5 mph NW
Humidity49%
Visibility—
Dew point44°
Mon, 2658° / 42°0Overcast
58 °Overcast

Dayton, Monday, 26 October

Overcast. High 58°, low 42°.

Pressure30.39 inHg
Wind7 mph NW
Humidity40%
Visibility—
Dew point31°
Tue, 2761° / 40°0Overcast
61 °Overcast

Dayton, Tuesday, 27 October

Overcast. High 61°, low 40°.

Pressure30.36 inHg
Wind6.6 mph S
Humidity33%
Visibility—
Dew point27°
Wed, 2868° / 48°0Overcast
68 °Overcast

Dayton, Wednesday, 28 October

Overcast. High 68°, low 48°.

Pressure30.18 inHg
Wind11.2 mph S
Humidity37%
Visibility—
Dew point38°
Thu, 2975° / 59°0.07Light rain
75 °Light rain

Dayton, Thursday, 29 October

Light rain. High 75°, low 59°.

Pressure29.91 inHg
Wind21.8 mph SW
Humidity36%
Visibility—
Dew point43°
Fri, 3068° / 56°0.05Light rain
68 °Light rain

Dayton, Friday, 30 October

Light rain. High 68°, low 56°.

Pressure29.91 inHg
Wind15.7 mph SW
Humidity73%
Visibility—
Dew point57°
Sat, 3169° / 52°0.65Rain
69 °Rain

Dayton, Saturday, 31 October

Rain. High 69°, low 52°.

Pressure30.06 inHg
Wind22.1 mph SE
Humidity61%
Visibility—
Dew point53°
Sun, 0169° / 53°0.21Rain
69 °Rain

Dayton, Sunday, 1 November

Rain. High 69°, low 53°.

Pressure29.83 inHg
Wind20.3 mph SW
Humidity71%
Visibility—
Dew point59°
Mon, 0267° / 48°0Clear
67 °Clear

Dayton, Monday, 2 November

Clear. High 67°, low 48°.

Pressure30.12 inHg
Wind9 mph S
Humidity28%
Visibility—
Dew point31°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0356° / 40°0.05Climate normal
56 °Climate normal

Dayton, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high56°
Average low40°
Average precipitation0.05 in
Chance of precipitation23%
Record high75° (1987)
Record low20° (1991)
Wed, 0455° / 42°0.06Climate normal
55 °Climate normal

Dayton, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high55°
Average low42°
Average precipitation0.06 in
Chance of precipitation23%
Record high74° (2015)
Record low20° (1991)
Thu, 0555° / 41°0.08Climate normal
55 °Climate normal

Dayton, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high55°
Average low41°
Average precipitation0.08 in
Chance of precipitation25%
Record high73° (1975)
Record low19° (1991)
Fri, 0654° / 39°0.06Climate normal
54 °Climate normal

Dayton, Friday, 6 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.06 in
Chance of precipitation28%
Record high73° (1975)
Record low24° (1973)
Sat, 0753° / 39°0.1Climate normal
53 °Climate normal

Dayton, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high53°
Average low39°
Average precipitation0.1 in
Chance of precipitation30%
Record high69° (2020)
Record low21° (1993)
Sun, 0854° / 39°0.04Climate normal
54 °Climate normal

Dayton, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.04 in
Chance of precipitation20%
Record high76° (2020)
Record low15° (1991)
Mon, 0955° / 40°0.11Climate normal
55 °Climate normal

Dayton, Monday, 9 November

Climate normal for this date — 60-year average.

Average high55°
Average low40°
Average precipitation0.11 in
Chance of precipitation33%
Record high73° (2020)
Record low15° (1991)
Tue, 1053° / 39°0.12Climate normal
53 °Climate normal

Dayton, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high53°
Average low39°
Average precipitation0.12 in
Chance of precipitation30%
Record high74° (2020)
Record low19° (2018)
Wed, 1151° / 36°0.09Climate normal
51 °Climate normal

Dayton, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.09 in
Chance of precipitation30%
Record high72° (2010)
Record low21° (1995)
Thu, 1249° / 35°0.09Climate normal
49 °Climate normal

Dayton, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high49°
Average low35°
Average precipitation0.09 in
Chance of precipitation25%
Record high72° (1964)
Record low7° (2019)
Fri, 1349° / 34°0.07Climate normal
49 °Climate normal

Dayton, Friday, 13 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.07 in
Chance of precipitation25%
Record high70° (1999)
Record low3° (2019)
Sat, 1450° / 35°0.11Climate normal
50 °Climate normal

Dayton, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high50°
Average low35°
Average precipitation0.11 in
Chance of precipitation33%
Record high70° (1971)
Record low13° (1986)
Sun, 1549° / 36°0.13Climate normal
49 °Climate normal

Dayton, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.13 in
Chance of precipitation37%
Record high70° (1971)
Record low18° (2019)
Mon, 1649° / 35°0.09Climate normal
49 °Climate normal

Dayton, Monday, 16 November

Climate normal for this date — 60-year average.

Average high49°
Average low35°
Average precipitation0.09 in
Chance of precipitation27%
Record high68° (2001)
Record low20° (1997)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Dayton, IN are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Dayton, IN since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.