Delmar, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 73°F 23°C Heat Index: 73°F	Observed at: Delmar, IL	Elevation: 893 ft | 272 m
	Last Updated: July 27, 7:00 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 73°F | 23°C
	Pressure: 29.06 in | 984 mb	Dewpoint: 70°F | 21°C
	Humidity: 89%	Wind: SSE 8 mph | SSE 13 kph
	Feels Like: 77°F | 25°C	Visibility: 28.7 mi | 46.3 km
	Lat/Long: 41.1775 | -87.605	Sunrise: 5:41 AM   Sunset: 8:12 PM

7 Day Graphical Forecast

Valid: 4:44 PM 7/29/2026

Today Heavy Rain 88 |71 °F 31 |22 °C 55% Chance Precipitation Tuesday Overcast 78 |66 °F 25 |19 °C 1% Chance Precipitation Wednesday Clear 82 |60 °F 28 |16 °C 0% Chance Precipitation Thursday Overcast 83 |65 °F 29 |18 °C 5% Chance Precipitation Friday Light Rain 72 |64 °F 22 |18 °C 35% Chance Precipitation Saturday Drizzle 82 |62 °F 28 |17 °C 39% Chance Precipitation Sunday Partly Cloudy 84 |63 °F 29 |17 °C 14% Chance Precipitation

7 Hour Graphical Forecast

Valid: 4:44 PM 7/29/2026

4 PM Clear 82 °F 0% Chance Precipitation

5 PM Clear 82 °F 0% Chance Precipitation

6 PM Clear 82 °F 0% Chance Precipitation

7 PM Clear 77 °F 0% Chance Precipitation

8 PM Clear 72 °F 0% Chance Precipitation

9 PM Clear 70 °F 0% Chance Precipitation

10 PM Clear 69 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Delmar, IL - (Fahrenheit & Celsius) Valid: 4:44 PM 7/29/2026 Today Heavy Rain with a high near 88°F [31°C]. SSE wind to around 17 mph [28 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 70°F [21°C] with humidity of 99%. Pressure around 29.06 in [984 mb]. UV Index: 6.85. Chance of precipitation 55% with QPF of 0.61 in [15.5 mm]. Tonight Heavy Rain with a low around 71°F [22°C]. SSE wind to around 17 mph [28 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 55% with QPF of 0.61 in [15.5 mm]. Tuesday Overcast with a high near 78°F [25°C]. N wind to around 17 mph [27 kph], with gusts to near 30 mph [49 kph]. Dewpoint near 70°F [21°C] with humidity of 93%. Pressure around 29.06 in [984 mb]. UV Index: 7.4. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 66°F [19°C]. N wind to around 17 mph [27 kph], with gusts to near 30 mph [49 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 82°F [28°C]. N wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 70°F [21°C] with humidity of 87%. Pressure around 29.06 in [984 mb]. UV Index: 7.4. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 60°F [16°C]. N wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 83°F [29°C]. W wind to around 11 mph [17 kph], with gusts to near 16 mph [25 kph]. Dewpoint near 70°F [21°C] with humidity of 93%. Pressure around 29.06 in [984 mb]. UV Index: 7.05. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 65°F [18°C]. W wind to around 11 mph [17 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Friday Light Rain with a high near 72°F [22°C]. WNW wind to around 8 mph [13 kph], with gusts to near 15 mph [25 kph]. Dewpoint near 70°F [21°C] with humidity of 97%. Pressure around 29.06 in [984 mb]. UV Index: 0.65. Chance of precipitation 35% with QPF of 0.28 in [7.0 mm]. Friday Night Light Rain with a low around 64°F [18°C]. WNW wind to around 8 mph [13 kph], with gusts to near 15 mph [25 kph]. Chance of precipitation 35% with QPF of 0.28 in [7.0 mm]. Saturday Drizzle with a high near 82°F [28°C]. NNE wind to around 9 mph [14 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 70°F [21°C] with humidity of 98%. Pressure around 29.06 in [984 mb]. UV Index: 6.75. Chance of precipitation 39% with QPF of 0.15 in [3.9 mm]. Saturday Night Drizzle with a low around 62°F [17°C]. NNE wind to around 9 mph [14 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 39% with QPF of 0.15 in [3.9 mm]. Sunday Partly Cloudy with a high near 84°F [29°C]. NNE wind to around 12 mph [20 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 70°F [21°C] with humidity of 97%. Pressure around 29.06 in [984 mb]. UV Index: 7.1. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Sunday Night Partly Cloudy with a low around 63°F [17°C]. NNE wind to around 12 mph [20 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Delmar, IL

Today: 15.5 mm | 0.61 in

Tonight: 15.5 mm | 0.61 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: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 7.0 mm | 0.28 in

Friday Night: 7.0 mm | 0.28 in

Saturday: 3.9 mm | 0.15 in

Saturday Night: 3.9 mm | 0.15 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 Delmar, IL

Today: SSE @ 28 kph | 17 mph

Tonight: SSE @ 28 kph | 17 mph

Tuesday: N @ 27 kph | 17 mph

Tuesday Night: N @ 27 kph | 17 mph

Wednesday: N @ 12 kph | 8 mph

Wednesday Night: N @ 12 kph | 8 mph

Thursday: W @ 17 kph | 11 mph

Thursday Night: W @ 17 kph | 11 mph

Friday: WNW @ 13 kph | 8 mph

Friday Night: WNW @ 13 kph | 8 mph

Saturday: NNE @ 14 kph | 9 mph

Saturday Night: NNE @ 14 kph | 9 mph

Sunday: NNE @ 20 kph | 12 mph

Sunday Night: NNE @ 20 kph | 12 mph

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

Today: 99 %

Tonight: 99 %

Tuesday: 93 %

Tuesday Night: 93 %

Wednesday: 87 %

Wednesday Night: 87 %

Thursday: 93 %

Thursday Night: 93 %

Friday: 97 %

Friday Night: 97 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

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

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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