Guernsey, Iowa 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 88°F 31°C Heat Index: 101°F	Observed at: Guernsey, IA	Elevation: 796 ft | 243 m
	Last Updated: July 27, 8:15 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 88°F | 31°C
	Pressure: 28.77 in | 974.1 mb	Dewpoint: 77°F | 25°C
	Humidity: 72%	Wind: WSW 7 mph | WSW 11 kph
	Feels Like: 97°F | 36°C	Visibility: 39.8 mi | 64 km
	Lat/Long: 41.55 | -92.51	Sunrise: 6:00 AM   Sunset: 8:32 PM

7 Day Graphical Forecast

Valid: 11:35 AM 7/28/2026

Today Overcast 94 |80 °F 35 |26 °C 14% Chance Precipitation Tuesday Overcast 90 |74 °F 32 |23 °C 3% Chance Precipitation Wednesday Clear 86 |69 °F 30 |20 °C 4% Chance Precipitation Thursday Light Rain 84 |64 °F 29 |18 °C 10% Chance Precipitation Friday Heavy Showers 68 |62 °F 20 |17 °C 59% Chance Precipitation Saturday Overcast 78 |60 °F 26 |16 °C 39% Chance Precipitation Sunday Mostly Clear 83 |64 °F 28 |18 °C 5% Chance Precipitation

7 Hour Graphical Forecast

Valid: 11:35 AM 7/28/2026

11 AM Clear 84 °F 3% Chance Precipitation

12 PM Clear 87 °F 3% Chance Precipitation

1 PM Overcast 87 °F 3% Chance Precipitation

2 PM Overcast 89 °F 3% Chance Precipitation

3 PM Partly Cloudy 90 °F 3% Chance Precipitation

4 PM Partly Cloudy 90 °F 2% Chance Precipitation

5 PM Mostly Clear 89 °F 2% Chance Precipitation

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

7 Day & Night Weather Forecast for Guernsey, IA - (Fahrenheit & Celsius) Valid: 11:35 AM 7/28/2026 Today Overcast with a high near 94°F [35°C]. WSW wind to around 14 mph [22 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 77°F [25°C] with humidity of 95%. Pressure around 28.77 in [974.1 mb]. UV Index: 7.7. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 80°F [26°C]. WSW wind to around 14 mph [22 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 90°F [32°C]. NNE wind to around 13 mph [20 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 77°F [25°C] with humidity of 86%. Pressure around 28.77 in [974.1 mb]. UV Index: 6.3. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 74°F [23°C]. NNE wind to around 13 mph [20 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 86°F [30°C]. SE wind to around 10 mph [16 kph], with gusts to near 19 mph [31 kph]. Dewpoint near 77°F [25°C] with humidity of 75%. Pressure around 28.77 in [974.1 mb]. UV Index: 7.6. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 69°F [20°C]. SE wind to around 10 mph [16 kph], with gusts to near 19 mph [31 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Thursday Light Rain with a high near 84°F [29°C]. S wind to around 12 mph [20 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 77°F [25°C] with humidity of 93%. Pressure around 28.77 in [974.1 mb]. UV Index: 5.2. Chance of precipitation 10% with QPF of 0.09 in [2.4 mm]. Thursday Night Light Rain with a low around 64°F [18°C]. S wind to around 12 mph [20 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 10% with QPF of 0.09 in [2.4 mm]. Friday Heavy Showers with a high near 68°F [20°C]. ESE wind to around 20 mph [33 kph], with gusts to near 33 mph [54 kph]. Dewpoint near 77°F [25°C] with humidity of 99%. Pressure around 28.77 in [974.1 mb]. UV Index: 1.95. Chance of precipitation 59% with QPF of 1.56 in [39.5 mm]. Friday Night Heavy Showers with a low around 62°F [17°C]. ESE wind to around 20 mph [33 kph], with gusts to near 33 mph [54 kph]. Chance of precipitation 59% with QPF of 1.56 in [39.5 mm]. Saturday Overcast with a high near 78°F [26°C]. N wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 77°F [25°C] with humidity of 98%. Pressure around 28.77 in [974.1 mb]. UV Index: 6.7. Chance of precipitation 39% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 60°F [16°C]. N wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 39% with QPF of 0.00 in [0.0 mm]. Sunday Mostly Clear with a high near 83°F [28°C]. ENE wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 77°F [25°C] with humidity of 93%. Pressure around 28.77 in [974.1 mb]. UV Index: 7.35. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 64°F [18°C]. ENE wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Guernsey, 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: 2.4 mm | 0.09 in

Thursday Night: 2.4 mm | 0.09 in

Friday: 39.5 mm | 1.56 in

Friday Night: 39.5 mm | 1.56 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 Guernsey, IA

Today: WSW @ 22 kph | 14 mph

Tonight: WSW @ 22 kph | 14 mph

Tuesday: NNE @ 20 kph | 13 mph

Tuesday Night: NNE @ 20 kph | 13 mph

Wednesday: SE @ 16 kph | 10 mph

Wednesday Night: SE @ 16 kph | 10 mph

Thursday: S @ 20 kph | 12 mph

Thursday Night: S @ 20 kph | 12 mph

Friday: ESE @ 33 kph | 20 mph

Friday Night: ESE @ 33 kph | 20 mph

Saturday: N @ 19 kph | 12 mph

Saturday Night: N @ 19 kph | 12 mph

Sunday: ENE @ 13 kph | 8 mph

Sunday Night: ENE @ 13 kph | 8 mph

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

Today: 95 %

Tonight: 95 %

Tuesday: 86 %

Tuesday Night: 86 %

Wednesday: 75 %

Wednesday Night: 75 %

Thursday: 93 %

Thursday Night: 93 %

Friday: 99 %

Friday Night: 99 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 93 %

Sunday Night: 93 %

7 Day and Night - Snowfall Totals Forecast for Guernsey, 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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