Dayton, Iowa 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 90°F 32°C Heat Index: 96°F	Observed at: Dayton, IA	Elevation: 1000 ft | 305 m
	Last Updated: July 27, 7:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 90°F | 32°C
	Pressure: 28.58 in | 967.9 mb	Dewpoint: 70°F | 21°C
	Humidity: 52%	Wind: WNW 4 mph | WNW 6 kph
	Feels Like: 96°F | 36°C	Visibility: 70.9 mi | 114.2 km
	Lat/Long: 42.2588 | -94.0774	Sunrise: 6:04 AM   Sunset: 8:41 PM

7 Day Graphical Forecast

Valid: 1:03 PM 7/28/2026

Today Overcast 95 |79 °F 35 |26 °C 11% Chance Precipitation Tuesday Overcast 87 |72 °F 31 |22 °C 5% Chance Precipitation Wednesday Overcast 91 |70 °F 33 |21 °C 5% Chance Precipitation Thursday Drizzle 79 |64 °F 26 |18 °C 47% Chance Precipitation Friday Heavy Showers 68 |63 °F 20 |17 °C 68% Chance Precipitation Saturday Overcast 82 |60 °F 28 |16 °C 23% Chance Precipitation Sunday Clear 84 |64 °F 29 |18 °C 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:03 PM 7/28/2026

1 PM Overcast 82 °F 4% Chance Precipitation

2 PM Overcast 82 °F 3% Chance Precipitation

3 PM Partly Cloudy 85 °F 2% Chance Precipitation

4 PM Mostly Clear 87 °F 2% Chance Precipitation

5 PM Clear 87 °F 2% Chance Precipitation

6 PM Mostly Clear 87 °F 2% Chance Precipitation

7 PM Clear 86 °F 2% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Dayton, IA - (Fahrenheit & Celsius) Valid: 1:03 PM 7/28/2026 Today Overcast with a high near 95°F [35°C]. WNW wind to around 9 mph [15 kph], with gusts to near 18 mph [28 kph]. Dewpoint near 70°F [21°C] with humidity of 93%. Pressure around 28.58 in [967.9 mb]. UV Index: 7.7. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 79°F [26°C]. WNW wind to around 9 mph [15 kph], with gusts to near 18 mph [28 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 87°F [31°C]. ENE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 70°F [21°C] with humidity of 91%. Pressure around 28.58 in [967.9 mb]. UV Index: 4.4. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 72°F [22°C]. ENE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 91°F [33°C]. SSE wind to around 13 mph [20 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 70°F [21°C] with humidity of 81%. Pressure around 28.58 in [967.9 mb]. UV Index: 7.65. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 70°F [21°C]. SSE wind to around 13 mph [20 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Thursday Drizzle with a high near 79°F [26°C]. SSE wind to around 13 mph [22 kph], with gusts to near 32 mph [51 kph]. Dewpoint near 70°F [21°C] with humidity of 95%. Pressure around 28.58 in [967.9 mb]. UV Index: 2.6. Chance of precipitation 47% with QPF of 0.15 in [3.9 mm]. Thursday Night Drizzle with a low around 64°F [18°C]. SSE wind to around 13 mph [22 kph], with gusts to near 32 mph [51 kph]. Chance of precipitation 47% with QPF of 0.15 in [3.9 mm]. Friday Heavy Showers with a high near 68°F [20°C]. E wind to around 14 mph [23 kph], with gusts to near 34 mph [55 kph]. Dewpoint near 70°F [21°C] with humidity of 99%. Pressure around 28.58 in [967.9 mb]. UV Index: 1.1. Chance of precipitation 68% with QPF of 0.99 in [25.1 mm]. Friday Night Heavy Showers with a low around 63°F [17°C]. E wind to around 14 mph [23 kph], with gusts to near 34 mph [55 kph]. Chance of precipitation 68% with QPF of 0.99 in [25.1 mm]. Saturday Overcast with a high near 82°F [28°C]. NNE wind to around 9 mph [15 kph], with gusts to near 29 mph [47 kph]. Dewpoint near 70°F [21°C] with humidity of 97%. Pressure around 28.58 in [967.9 mb]. UV Index: 5.95. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 60°F [16°C]. NNE wind to around 9 mph [15 kph], with gusts to near 29 mph [47 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Sunday Clear with a high near 84°F [29°C]. ESE wind to around 9 mph [15 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 70°F [21°C] with humidity of 91%. Pressure around 28.58 in [967.9 mb]. UV Index: 7.4. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 64°F [18°C]. ESE wind to around 9 mph [15 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Dayton, IA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 3.9 mm | 0.15 in

Thursday Night: 3.9 mm | 0.15 in

Friday: 25.1 mm | 0.99 in

Friday Night: 25.1 mm | 0.99 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Dayton, IA

Today: WNW @ 15 kph | 9 mph

Tonight: WNW @ 15 kph | 9 mph

Tuesday: ENE @ 12 kph | 7 mph

Tuesday Night: ENE @ 12 kph | 7 mph

Wednesday: SSE @ 20 kph | 13 mph

Wednesday Night: SSE @ 20 kph | 13 mph

Thursday: SSE @ 22 kph | 13 mph

Thursday Night: SSE @ 22 kph | 13 mph

Friday: E @ 23 kph | 14 mph

Friday Night: E @ 23 kph | 14 mph

Saturday: NNE @ 15 kph | 9 mph

Saturday Night: NNE @ 15 kph | 9 mph

Sunday: ESE @ 15 kph | 9 mph

Sunday Night: ESE @ 15 kph | 9 mph

7 Day and Night - Maximum Humidity Forecast for Dayton, IA

Today: 93 %

Tonight: 93 %

Tuesday: 91 %

Tuesday Night: 91 %

Wednesday: 81 %

Wednesday Night: 81 %

Thursday: 95 %

Thursday Night: 95 %

Friday: 99 %

Friday Night: 99 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 91 %

Sunday Night: 91 %

7 Day and Night - Snowfall Totals Forecast for Dayton, IA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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