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Weather in Mount Prospect, United States 🇺🇸

Current Weather in Mount Prospect

Flood Warning issued June 11 at 9:47PM CDT until June 13 at 1:00AM CDT by NWS Chicago IL
Partly cloudy
27°C
Feels like 27°C. Partly cloudy.
🌬️ 19 km/h W
💧 39% Humidity
🧭 1013 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 1.2
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:15 AM
🌇 Sunset: 08:27 PM
Map Overlays:

In Mount Prospect right now it is 27°C and partly cloudy, feeling like 27°C. Humidity is 39% with winds around 19 km/h, and the UV index is 1 (low). Over the next few days, temperatures in Mount Prospect range from about 14°C to 29°C. ⚠️ Flood Warning issued June 11 at 9:47PM CDT until June 13 at 1:00AM CDT by NWS Chicago IL

Hourly Forecast for Mount Prospect

19:00
Sunny
26°
2%
20:00
Sunny
24°
2%
21:00
Clear
22°
4%
22:00
Clear
21°
6%
23:00
Clear
20°
9%
00:00
Clear
19°
10%
01:00
Clear
18°
11%
02:00
Clear
18°
11%
03:00
Clear
17°
12%
04:00
Clear
17°
12%
05:00
Clear
18°
10%
06:00
Sunny
18°
8%
07:00
Sunny
20°
6%
08:00
Sunny
21°
4%
09:00
Sunny
23°
3%
10:00
Sunny
24°
3%
11:00
Sunny
25°
2%
12:00
Sunny
26°
2%
13:00
Sunny
27°
2%
14:00
Sunny
28°
2%
15:00
Sunny
28°
2%
16:00
Thundery outbreaks in nearby
28°
4%
17:00
Thundery outbreaks in nearby
27°
12%
18:00
Patchy light rain in area with thunder
25°
57%

14-Day Forecast for Mount Prospect

Fri, Jun 12
Sunny Sunny
28° / 15°
Sat, Jun 13
Patchy rain nearby Patchy rain nearby
29° / 17°
Sun, Jun 14
Patchy rain nearby Patchy rain nearby
20° / 14°
Mon, Jun 15
Sunny Sunny
22° / 13°
Tue, Jun 16
Patchy rain nearby Patchy rain nearby
26° / 14°
Wed, Jun 17
Moderate rain Moderate rain
20° / 16°
Thu, Jun 18
Patchy rain nearby Patchy rain nearby
22° / 16°
Fri, Jun 19
Sunny Sunny
24° / 16°
Sat, Jun 20
Patchy rain nearby Patchy rain nearby
27° / 17°
Sun, Jun 21
Moderate rain Moderate rain
22° / 19°
Mon, Jun 22
Patchy rain nearby Patchy rain nearby
26° / 17°
Tue, Jun 23
Patchy rain nearby Patchy rain nearby
26° / 17°
Wed, Jun 24
Patchy rain nearby Patchy rain nearby
24° / 20°
Thu, Jun 25
Patchy rain nearby Patchy rain nearby
26° / 20°

Additional Forecasts for Mount Prospect

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 129.0 μg/m³
O₃ (Ozone) 87.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.0 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 2.9 μg/m³
PM10 (Coarse particles) 3.2 μg/m³

Historical Weather

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Best Time to Be Outside in Mount Prospect Tomorrow

There is no good daylight window left in Mount Prospect today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Mount Prospect

What is the temperature in Mount Prospect right now?

The current temperature in Mount Prospect is 27°C (80°F), partly cloudy (feels like 27°C).

What's the weather like in Mount Prospect right now?

Conditions in Mount Prospect right now: Partly cloudy, humidity 39%, wind 19 km/h W.

What is today's forecast for Mount Prospect?

Today in Mount Prospect: high 28°C, low 15°C, sunny. Chance of rain: 5%.

What is the 7-day weather forecast for Mount Prospect?

Daily highs and lows for Mount Prospect:

  • 2026-06-12: 28°C / 15°C
  • 2026-06-13: 29°C / 17°C
  • 2026-06-14: 20°C / 14°C
  • 2026-06-15: 22°C / 13°C
  • 2026-06-16: 26°C / 14°C
  • 2026-06-17: 20°C / 16°C
  • 2026-06-18: 22°C / 16°C
Is it going to rain in Mount Prospect today?

There is a 5% chance of rain in Mount Prospect today.

What is the wind speed in Mount Prospect right now?

Wind in Mount Prospect is currently 19 km/h (12 mph) from the W.

What is the UV index in Mount Prospect right now?

The UV index in Mount Prospect is currently 1.2 (low). Sun protection is recommended when the index is 3 or higher.

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