Manlius, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 81°F 27°C Heat Index: 86°F	Observed at: Manlius, IL	Elevation: 929 ft | 283 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 81°F | 27°C
	Pressure: 29.27 in | 991.2 mb	Dewpoint: 73°F | 23°C
	Humidity: 77%	Wind: NE 1 mph | NE 2 kph
	Feels Like: 90°F | 32°C	Visibility: 39.3 mi | 63.3 km
	Lat/Long: 41.4564 | -89.6689	Sunrise: 5:39 AM   Sunset: 8:30 PM

7 Day Graphical Forecast

Valid: 10:19 PM 7/16/2026

Tonight Mostly Clear 71 °F 3% Chance Precipitation Friday Overcast 91 |74 °F 21% Chance Precipitation Saturday Overcast 90 |71 °F 38% Chance Precipitation Sunday Overcast 81 |66 °F 1% Chance Precipitation Monday Overcast 86 |66 °F 26% Chance Precipitation Tuesday Light Drizzle 83 |64 °F 26% Chance Precipitation Wednesday Overcast 70 |48 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:19 PM 7/16/2026

10 PM Clear 81 °F 1% Chance Precipitation

11 PM Clear 80 °F 3% Chance Precipitation

12 AM Mostly Clear 79 °F 3% Chance Precipitation

1 AM Clear 77 °F 2% Chance Precipitation

2 AM Clear 76 °F 3% Chance Precipitation

3 AM Clear 75 °F 3% Chance Precipitation

4 AM Clear 74 °F 3% Chance Precipitation

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

7 Day & Night Weather Forecast for Manlius, IL - (Fahrenheit & Celsius) Valid: 10:19 PM 7/16/2026 Tonight Mostly Clear with a low around 71°F [22°C]. SSW wind to around 7 mph [10 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 91°F [33°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 73°F [23°C] with humidity of 89%. Pressure around 29.27 in [991.2 mb]. UV Index: 7.55. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 90°F [32°C]. WNW wind to around 14 mph [22 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 73°F [23°C] with humidity of 90%. Pressure around 29.27 in [991.2 mb]. UV Index: 7.55. Chance of precipitation 38% with QPF of 0.04 in [1.0 mm]. Saturday Night Overcast with a low around 71°F [22°C]. WNW wind to around 14 mph [22 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 38% with QPF of 0.04 in [1.0 mm]. Sunday Overcast with a high near 81°F [27°C]. ESE wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 73°F [23°C] with humidity of 96%. Pressure around 29.27 in [991.2 mb]. UV Index: 7.6. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 66°F [19°C]. ESE wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 86°F [30°C]. S wind to around 17 mph [27 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.27 in [991.2 mb]. UV Index: 6.6. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 66°F [19°C]. S wind to around 17 mph [27 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Tuesday Light Drizzle with a high near 83°F [28°C]. NW wind to around 16 mph [26 kph], with gusts to near 35 mph [57 kph]. Dewpoint near 73°F [23°C] with humidity of 84%. Pressure around 29.27 in [991.2 mb]. UV Index: 6.95. Chance of precipitation 26% with QPF of 0.00 in [0.1 mm]. Tuesday Night Light Drizzle with a low around 64°F [18°C]. NW wind to around 16 mph [26 kph], with gusts to near 35 mph [57 kph]. Chance of precipitation 26% with QPF of 0.00 in [0.1 mm]. Wednesday Overcast with a high near 70°F [21°C]. NNE wind to around 13 mph [21 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 73°F [23°C] with humidity of 86%. Pressure around 29.27 in [991.2 mb]. UV Index: 7.2. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 48°F [9°C]. NNE wind to around 13 mph [21 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 Manlius, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 1.0 mm | 0.04 in

Saturday Night: 1.0 mm | 0.04 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: 0.1 mm | 0.00 in

Tuesday Night: 0.1 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Tonight: SSW @ 10 kph | 7 mph

Friday: SW @ 21 kph | 13 mph

Friday Night: SW @ 21 kph | 13 mph

Saturday: WNW @ 22 kph | 14 mph

Saturday Night: WNW @ 22 kph | 14 mph

Sunday: ESE @ 13 kph | 8 mph

Sunday Night: ESE @ 13 kph | 8 mph

Monday: S @ 27 kph | 17 mph

Monday Night: S @ 27 kph | 17 mph

Tuesday: NW @ 26 kph | 16 mph

Tuesday Night: NW @ 26 kph | 16 mph

Wednesday: NNE @ 21 kph | 13 mph

Wednesday Night: NNE @ 21 kph | 13 mph

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

Tonight: 88 %

Friday: 89 %

Friday Night: 89 %

Saturday: 90 %

Saturday Night: 90 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 84 %

Tuesday Night: 84 %

Wednesday: 86 %

Wednesday Night: 86 %

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

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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