Calvin, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 65°F 18°C	Observed at: Calvin, IL	Elevation: 507 ft | 155 m
	Last Updated: July 29, 6:00 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 65°F | 18°C
	Pressure: 29.42 in | 996.3 mb	Dewpoint: 62°F | 17°C
	Humidity: 91%	Wind: N 7 mph | N 11 kph
	Feels Like: 66°F | 19°C	Visibility: 27.7 mi | 44.6 km
	Lat/Long: 38.2081 | -88.0186	Sunrise: 5:52 AM   Sunset: 8:04 PM

7 Day Graphical Forecast

Valid: 6:05 AM 7/29/2026

Today Clear 87 |65 °F 30 |18 °C 0% Chance Precipitation Thursday Overcast 86 |65 °F 30 |18 °C 0% Chance Precipitation Friday Showers 80 |64 °F 27 |18 °C 68% Chance Precipitation Saturday Showers 71 |67 °F 22 |20 °C 68% Chance Precipitation Sunday Overcast 80 |62 °F 27 |17 °C 31% Chance Precipitation Monday Clear 82 |62 °F 28 |17 °C 30% Chance Precipitation Tuesday Light Drizzle 85 |62 °F 29 |16 °C 25% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:05 AM 7/29/2026

6 AM Clear 65 °F 0% Chance Precipitation

7 AM Clear 66 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 71 °F 0% Chance Precipitation

10 AM Clear 74 °F 0% Chance Precipitation

11 AM Clear 77 °F 0% Chance Precipitation

12 PM Clear 80 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Calvin, IL - (Fahrenheit & Celsius) Valid: 6:05 AM 7/29/2026 Today Clear with a high near 87°F [30°C]. NNE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 62°F [17°C] with humidity of 94%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 65°F [18°C]. NNE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. ENE wind to around 6 mph [9 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 62°F [17°C] with humidity of 81%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.6. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 65°F [18°C]. ENE wind to around 6 mph [9 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 80°F [27°C]. SE wind to around 11 mph [18 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 62°F [17°C] with humidity of 96%. Pressure around 29.42 in [996.3 mb]. UV Index: 6.45. Chance of precipitation 68% with QPF of 0.30 in [7.7 mm]. Friday Night Showers with a low around 64°F [18°C]. SE wind to around 11 mph [18 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 68% with QPF of 0.30 in [7.7 mm]. Saturday Showers with a high near 71°F [22°C]. NE wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 62°F [17°C] with humidity of 98%. Pressure around 29.42 in [996.3 mb]. UV Index: 0.75. Chance of precipitation 68% with QPF of 0.35 in [9.0 mm]. Saturday Night Showers with a low around 67°F [20°C]. NE wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 68% with QPF of 0.35 in [9.0 mm]. Sunday Overcast with a high near 80°F [27°C]. NNE wind to around 14 mph [23 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 62°F [17°C] with humidity of 97%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.4. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 62°F [17°C]. NNE wind to around 14 mph [23 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 82°F [28°C]. NE wind to around 9 mph [14 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 62°F [17°C] with humidity of 95%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.45. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 62°F [17°C]. NE wind to around 9 mph [14 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm]. Tuesday Light Drizzle with a high near 85°F [29°C]. E wind to around 8 mph [13 kph], with gusts to near 16 mph [25 kph]. Dewpoint near 62°F [17°C] with humidity of 88%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.45. Chance of precipitation 25% with QPF of 0.01 in [0.3 mm]. Tuesday Night Light Drizzle with a low around 62°F [16°C]. E wind to around 8 mph [13 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 25% with QPF of 0.01 in [0.3 mm].

---

7 Day and Night - QPF Forecast for Calvin, IL

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 7.7 mm | 0.30 in

Friday Night: 7.7 mm | 0.30 in

Saturday: 9.0 mm | 0.35 in

Saturday Night: 9.0 mm | 0.35 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: 0.3 mm | 0.01 in

Tuesday Night: 0.3 mm | 0.01 in

7 Day and Night - Maximum Wind Speed Forecast for Calvin, IL

Today: NNE @ 12 kph | 7 mph

Tonight: NNE @ 12 kph | 7 mph

Thursday: ENE @ 9 kph | 6 mph

Thursday Night: ENE @ 9 kph | 6 mph

Friday: SE @ 18 kph | 11 mph

Friday Night: SE @ 18 kph | 11 mph

Saturday: NE @ 24 kph | 15 mph

Saturday Night: NE @ 24 kph | 15 mph

Sunday: NNE @ 23 kph | 14 mph

Sunday Night: NNE @ 23 kph | 14 mph

Monday: NE @ 14 kph | 9 mph

Monday Night: NE @ 14 kph | 9 mph

Tuesday: E @ 13 kph | 8 mph

Tuesday Night: E @ 13 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Calvin, IL

Today: 94 %

Tonight: 94 %

Thursday: 81 %

Thursday Night: 81 %

Friday: 96 %

Friday Night: 96 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 95 %

Monday Night: 95 %

Tuesday: 88 %

Tuesday Night: 88 %

7 Day and Night - Snowfall Totals Forecast for Calvin, IL

Today: 0.0 cm | 0.00 in

Tonight: 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

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

Contact Us | Mobile Private Policy | Terms & Conds | Consent Preferences | Cookie Policy Never base any life decisions on weather information from this site or anywhere over the Internet. Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus Copyright © 2026 El Dorado Weather, Inc. | Site Designed By:  Webmaster Danny