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Gillum IL Weather - Mist - 60°F
Mist
60°F
Updated 2:52 am
Feels Like 63°F
Humidity 100%
Wind ENE 3 mph
Barometer  30.03 in
Dew Point 60°F
Gillum IL Weather - Mist - 16°C
Mist
16°C
Updated 2:52 am
Feels Like 17°C
Humidity 100%
Wind ENE 5 km/h
Barometer  101.6 kPa
Dew Point 16°C
Gillum, IL Weather and Current Conditionsgillum il weather forecast

Gillum, IL Weather Forecast

Gillum Illinois WeatherGillum, Illinois Weather Weather Forecast
14 Day API Gillum, IL Weather Forecast. Note: Our 7 day Gillum, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Gillum, IL Weather Forecast Dated: 252 AM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Friday, September 11, 2026

Mid-Morning
Gillum Weather - 2026-09-11 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-11 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Gillum Weather - 2026-09-11 - Evening - Scattered Showers
74°F 24°C
Scattered Showers
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Gillum Weather - 2026-09-12 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-12 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Gillum Weather - 2026-09-12 - Evening - Sunny
79°F 27°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Gillum Weather - 2026-09-13 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Gillum Weather - 2026-09-13 - Afternoon - Cloudy
76°F 24°C
Cloudy
Early-Evening
Gillum Weather - 2026-09-13 - Evening - Overcast
69°F 20°C
Overcast
Enjoyable around 76°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SW to the ENE at 11 mph 17 km/h.

Monday, September 14, 2026

Mid-Morning
Gillum Weather - 2026-09-14 - Morning - Cloudy
62°F 16°C
Cloudy
Mid-Afternoon
Gillum Weather - 2026-09-14 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Gillum Weather - 2026-09-14 - Evening - Overcast
86°F 30°C
Overcast
Warm and summery around 84°F 29°C (feels like 87°F 31°C), cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the ENE to the SSE at 7 mph 11 km/h.

Tuesday, September 15, 2026

Mid-Morning
Gillum Weather - 2026-09-15 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-15 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Gillum Weather - 2026-09-15 - Evening - Cloudy
83°F 28°C
Cloudy
Quite warm reaching 88°F 31°C, feeling like 92°F 34°C during peak afternoon, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SW to the SSE at 8 mph 12 km/h.

Wednesday, September 16, 2026

Mid-Morning
Gillum Weather - 2026-09-16 - Morning - Scattered Showers
74°F 24°C
Scattered Showers
Mid-Afternoon
Gillum Weather - 2026-09-16 - Afternoon - Partly Cloudy
82°F 28°C
Partly Cloudy
Early-Evening
Gillum Weather - 2026-09-16 - Evening - Scattered Thunderstorms
68°F 20°C
Scattered Thunderstorms
Very warm near 82°F 28°C, though humidity makes it feel like 87°F 30°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 13 mph 20 km/h. Gusts up to 22 mph 36 km/h.

Thursday, September 17, 2026

Mid-Morning
Gillum Weather - 2026-09-17 - Morning - Light Showers
59°F 15°C
Light Showers
Mid-Afternoon
Gillum Weather - 2026-09-17 - Afternoon - Scattered Showers
65°F 19°C
Scattered Showers
Early-Evening
Gillum Weather - 2026-09-17 - Evening - Overcast
63°F 17°C
Overcast
Comfortable at 65°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the NNE to the SE at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.

Friday, September 18, 2026

Mid-Morning
Gillum Weather - 2026-09-18 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-18 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Gillum Weather - 2026-09-18 - Evening - Sunny
61°F 16°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Gillum Weather - 2026-09-19 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-19 - Afternoon - Partly Cloudy
68°F 20°C
Partly Cloudy
Early-Evening
Gillum Weather - 2026-09-19 - Evening - Partly Cloudy
63°F 17°C
Partly Cloudy
Mild temperatures up to 68°F 20°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Gillum Weather - 2026-09-20 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-20 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Gillum Weather - 2026-09-20 - Evening - Sunny
66°F 19°C
Sunny
Mild with a high of 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Gillum Weather - 2026-09-21 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-21 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Gillum Weather - 2026-09-21 - Evening - Sunny
67°F 20°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds ESE at 10 mph 16 km/h.

Tuesday, September 22, 2026

Mid-Morning
Gillum Weather - 2026-09-22 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-22 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Gillum Weather - 2026-09-22 - Evening - Overcast
72°F 22°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SE to the ESE at 5 mph 8 km/h.

Wednesday, September 23, 2026

Mid-Morning
Gillum Weather - 2026-09-23 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Gillum Weather - 2026-09-23 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Gillum Weather - 2026-09-23 - Evening - Sunny
74°F 24°C
Sunny
Quite warm around 80°F 27°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SSE to the ESE at 9 mph 14 km/h.

Thursday, September 24, 2026

Mid-Morning
Gillum Weather - 2026-09-24 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Gillum Weather - 2026-09-24 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Gillum Weather - 2026-09-24 - Evening - Overcast
75°F 24°C
Overcast
Mild temperatures up to 76°F 25°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 12 mph 19 km/h. Gusts up to 26 mph 42 km/h.

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Weather by the Numbers

Fri, 11th
Gillum IL Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 60°F 15°C
Sunrise 06:32 AM
Sunset 07:11 PM
Wind SSE 7 mph11 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 18% *
Humidity 71%
Sat, 12th
Gillum IL Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 84°F 29°C
Lo: 67°F 19°C
Sunrise 06:33 AM
Sunset 07:10 PM
Wind SW 8 mph13 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 6% *
Humidity 66%
Sun, 13th
Gillum IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 80°F 27°C
Lo: 64°F 18°C
Sunrise 06:34 AM
Sunset 07:08 PM
Wind NW 6 mph10 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 16% *
Humidity 67%
Mon, 14th
Gillum IL Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 90°F 32°C
Lo: 61°F 16°C
Sunrise 06:35 AM
Sunset 07:06 PM
Wind ESE 9 mph15 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 11% *
Humidity 71%
Tue, 15th
Gillum IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 89°F 32°C
Lo: 74°F 24°C
Sunrise 06:36 AM
Sunset 07:04 PM
Wind WSW 11 mph17 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 51%
Wed, 16th
Gillum IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 83°F 28°C
Lo: 64°F 18°C
Sunrise 06:37 AM
Sunset 07:03 PM
Wind ESE 5 mph8 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 7% *
Humidity 69%
Thu, 17th
Gillum IL Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 66°F 19°C
Lo: 57°F 14°C
Sunrise 06:38 AM
Sunset 07:01 PM
Wind NNE 13 mph20 km/h
Dew Point 54°F12°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 30% *
Humidity 75%
Fri, 18th
Gillum IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 66°F 19°C
Lo: 50°F 10°C
Sunrise 06:39 AM
Sunset 06:59 PM
Wind N 5 mph8 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 50%
Sat, 19th
Gillum IL Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 69°F 20°C
Lo: 51°F 11°C
Sunrise 06:40 AM
Sunset 06:58 PM
Wind ESE 3 mph5 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 4% *
Humidity 46%
Sun, 20th
Gillum IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 71°F 22°C
Lo: 54°F 12°C
Sunrise 06:41 AM
Sunset 06:56 PM
Wind ESE 5 mph9 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 51%
Mon, 21st
Gillum IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 72°F 22°C
Lo: 57°F 14°C
Sunrise 06:42 AM
Sunset 06:54 PM
Wind ESE 10 mph16 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 52%
Tue, 22nd
Gillum IL Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 77°F 25°C
Lo: 58°F 14°C
Sunrise 06:43 AM
Sunset 06:53 PM
Wind SSE 9 mph14 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 7% *
Humidity 49%
Wed, 23rd
Gillum IL Weather - Wednesday, Sep 23, 2026 - Partly Cloudy
Hi: 81°F 27°C
Lo: 63°F 17°C
Sunrise 06:44 AM
Sunset 06:51 PM
Wind SSE 6 mph10 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 46%
Thu, 24th
Gillum IL Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 77°F 25°C
Lo: 67°F 19°C
Sunrise 06:45 AM
Sunset 06:49 PM
Wind SE 8 mph13 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 14% *
Humidity 58%
* POP = Probability of Precipitation. Data for 12:00 PM.