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Blue Island, IL Weather Forecast | 5 Day
Updated: Sun Jul 20th 2025 1:45 AM CDT
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Fog
Sun 7-20
Fog with a high of 74°F and a low of 65°F. Winds will be light at 8mph and gusts of 9.1mph at 10 AM. High humidity with average of 95% is anticipated, the maximum being 99% at 2 AM and 88% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.87inHg at 3 AM with an avg 29.94inHg.
- HI: 74°F
- LO: 65°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
7.6 mph - Humidity
95% avg. - UV Index
0.6 - Air QualityModerate
- Sunrise
05:35 AM - Sunset
08:20 PM - Moonrise
01:00 AM - Moonset
04:56 PM - Moon Phase
Waning Crescent

Sunny
Mon 7-21
Sunny with a high of 85°F and a low of 65°F. Winds will be light at 9mph and gusts of 10.9mph at 7 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 97% at 12 AM and 56% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 8 PM, a lowest point of 29.97inHg at 3 AM with an avg 30.01inHg.
- HI: 85°F
- LO: 65°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.5 mph - Humidity
78% avg. - UV Index
2.4 - Air QualityModerate
- Sunrise
05:35 AM - Sunset
08:19 PM - Moonrise
01:45 AM - Moonset
06:09 PM - Moon Phase
Waning Crescent

Sunny
Tue 7-22
Sunny with a high of 91°F and a low of 65°F. Winds will be light at 10mph and gusts of 13.1mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 1 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.08inHg at 7 AM, a lowest point of 30inHg at 4 PM with an avg 30.04inHg.
- HI: 91°F
- LO: 65°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
9.2 mph - Humidity
66% avg. - UV Index
2.6 - Air QualityGood
- Sunrise
05:36 AM - Sunset
08:18 PM - Moonrise
02:42 AM - Moonset
07:12 PM - Moon Phase
Waning Crescent

Sunny
Wed 7-23
Sunny with a high of 97°F and a low of 73°F. Wind will be moderate, blowing around 13mph on average and gusts of 14.2mph at 4 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 88% at 6 AM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.92inHg at 4 PM with an avg 29.98inHg.
- HI: 97°F
- LO: 73°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.3 mph - Humidity
67% avg. - UV Index
2.6 - Air QualityModerate
- Sunrise
05:37 AM - Sunset
08:17 PM - Moonrise
03:50 AM - Moonset
08:01 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Thu 7-24
Scattered showers with a high of 96°F and a low of 77°F. Rainfall expected in the surrounding area to have a 61% chance with an estimated 0.07in. Wind will be moderate, blowing around 13mph on average and gusts of 14.4mph at 4 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 90% at 11 PM and 41% being its lowest at 1 PM. Barometric pressure is its highest of 30inHg at 6 AM, a lowest point of 29.92inHg at 6 PM with an avg 29.97inHg.
- HI: 96°F
- LO: 77°F
- Rainfall: 61% | est. 0.07in
- Snowfall: 0%
- Wind
12.5 mph - Humidity
70% avg. - UV Index
0.1 - Air QualityTBA
- Sunrise
05:38 AM - Sunset
08:17 PM - Moonrise
05:04 AM - Moonset
08:40 PM - Moon Phase
New Moon

Patchy Rain Nearby
Fri 7-25
Scattered showers with a high of 92°F and a low of 73°F. It will likey rain in the surrounding area, having a 86% chance of a downpour with an estimated 0.07in. Winds will be light at 10mph and gusts of 13.2mph at 1 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 96% at 5 AM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 10 AM, a lowest point of 29.92inHg at 6 PM with an avg 29.96inHg.
- HI: 92°F
- LO: 73°F
- Rainfall: 86% | est. 0.07in
- Snowfall: 0%
- Wind
9.4 mph - Humidity
75% avg. - UV Index
6 - Air QualityTBA
- Sunrise
05:39 AM - Sunset
08:16 PM - Moonrise
06:19 AM - Moonset
09:10 PM - Moon Phase
Waxing Crescent
Currently
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76°F |
29.91 inHg.
Barometer 82%
Humidity W 6.5 mph Wind |
Partly Cloudy |