Onslow, Iowa 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 84°F 29°C Heat Index: 90°F	Observed at: Onslow, IA	Elevation: 653 ft | 199 m
	Last Updated: July 25, 7:15 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 84°F | 29°C
	Pressure: 28.97 in | 981 mb	Dewpoint: 73°F | 23°C
	Humidity: 68%	Wind: SW 6 mph | SW 10 kph
	Feels Like: 91°F | 33°C	Visibility: 49.3 mi | 79.4 km
	Lat/Long: 42.11 | -91.41	Sunrise: 5:52 AM   Sunset: 8:32 PM

7 Day Graphical Forecast

Valid: 12:58 PM 7/28/2026

Today Foggy 86 |69 °F 30 |20 °C 3% Chance Precipitation Sunday Overcast 100 |74 °F 38 |23 °C 25% Chance Precipitation Monday Overcast 93 |72 °F 34 |22 °C 14% Chance Precipitation Tuesday Overcast 85 |71 °F 30 |22 °C 3% Chance Precipitation Wednesday Clear 87 |68 °F 30 |20 °C 2% Chance Precipitation Thursday Light Drizzle 81 |68 °F 27 |20 °C 16% Chance Precipitation Friday Light Drizzle 79 |68 °F 26 |20 °C 21% Chance Precipitation

7 Hour Graphical Forecast

Valid: 12:58 PM 7/28/2026

12 PM Overcast 81 °F 0% Chance Precipitation

1 PM Overcast 81 °F 0% Chance Precipitation

2 PM Overcast 85 °F 0% Chance Precipitation

3 PM Overcast 84 °F 0% Chance Precipitation

4 PM Overcast 85 °F 0% Chance Precipitation

5 PM Overcast 82 °F 0% Chance Precipitation

6 PM Overcast 78 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Onslow, IA - (Fahrenheit & Celsius) Valid: 12:58 PM 7/28/2026 Today Foggy with a high near 86°F [30°C]. SSW wind to around 8 mph [14 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 28.97 in [981 mb]. UV Index: 6.05. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 69°F [20°C]. SSW wind to around 8 mph [14 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 100°F [38°C]. SSW wind to around 7 mph [12 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 28.97 in [981 mb]. UV Index: 7. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 74°F [23°C]. SSW wind to around 7 mph [12 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 93°F [34°C]. SSW wind to around 17 mph [27 kph], with gusts to near 32 mph [51 kph]. Dewpoint near 73°F [23°C] with humidity of 89%. Pressure around 28.97 in [981 mb]. UV Index: 7.5. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 72°F [22°C]. SSW wind to around 17 mph [27 kph], with gusts to near 32 mph [51 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 85°F [30°C]. NE wind to around 10 mph [16 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 73°F [23°C] with humidity of 93%. Pressure around 28.97 in [981 mb]. UV Index: 6.9. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 71°F [22°C]. NE wind to around 10 mph [16 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 87°F [30°C]. SE wind to around 9 mph [14 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 73°F [23°C] with humidity of 93%. Pressure around 28.97 in [981 mb]. UV Index: 7.45. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 68°F [20°C]. SE wind to around 9 mph [14 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Thursday Light Drizzle with a high near 81°F [27°C]. SSE wind to around 10 mph [15 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 73°F [23°C] with humidity of 96%. Pressure around 28.97 in [981 mb]. UV Index: 3.95. Chance of precipitation 16% with QPF of 0.01 in [0.3 mm]. Thursday Night Light Drizzle with a low around 68°F [20°C]. SSE wind to around 10 mph [15 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 16% with QPF of 0.01 in [0.3 mm]. Friday Light Drizzle with a high near 79°F [26°C]. ESE wind to around 6 mph [10 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 28.97 in [981 mb]. UV Index: 4.9. Chance of precipitation 21% with QPF of 0.01 in [0.3 mm]. Friday Night Light Drizzle with a low around 68°F [20°C]. ESE wind to around 6 mph [10 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 21% with QPF of 0.01 in [0.3 mm].

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7 Day and Night - QPF Forecast for Onslow, IA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 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: 0.3 mm | 0.01 in

Thursday Night: 0.3 mm | 0.01 in

Friday: 0.3 mm | 0.01 in

Friday Night: 0.3 mm | 0.01 in

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

Today: SSW @ 14 kph | 8 mph

Tonight: SSW @ 14 kph | 8 mph

Sunday: SSW @ 12 kph | 7 mph

Sunday Night: SSW @ 12 kph | 7 mph

Monday: SSW @ 27 kph | 17 mph

Monday Night: SSW @ 27 kph | 17 mph

Tuesday: NE @ 16 kph | 10 mph

Tuesday Night: NE @ 16 kph | 10 mph

Wednesday: SE @ 14 kph | 9 mph

Wednesday Night: SE @ 14 kph | 9 mph

Thursday: SSE @ 15 kph | 10 mph

Thursday Night: SSE @ 15 kph | 10 mph

Friday: ESE @ 10 kph | 6 mph

Friday Night: ESE @ 10 kph | 6 mph

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

Today: 95 %

Tonight: 95 %

Sunday: 95 %

Sunday Night: 95 %

Monday: 89 %

Monday Night: 89 %

Tuesday: 93 %

Tuesday Night: 93 %

Wednesday: 93 %

Wednesday Night: 93 %

Thursday: 96 %

Thursday Night: 96 %

Friday: 94 %

Friday Night: 94 %

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

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 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

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