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Weather in Crystal Lake, United States 🇺🇸

Weather Forecast in Crystal Lake

Current Weather in Crystal Lake

Clear
18°C
Feels like 18°C. Clear.
🌬️ 6 km/h WSW
💧 87% Humidity
🧭 1018 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:25 AM
🌇 Sunset: 08:31 PM
Map Overlays:

In Crystal Lake right now it is 18°C and clear, feeling like 18°C. Humidity is 87% with winds around 6 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Crystal Lake range from about 18°C to 31°C.

Hourly Forecast for Crystal Lake

08:00
Sunny
24°
7%
09:00
Sunny
26°
5%
10:00
Sunny
27°
4%
11:00
Sunny
31°
4%
12:00
Sunny
30°
4%
13:00
Sunny
28°
4%
14:00
Sunny
28°
4%
15:00
Partly Cloudy
28°
6%
16:00
Partly Cloudy
28°
8%
17:00
Partly Cloudy
28°
6%
18:00
Sunny
27°
6%
19:00
Sunny
26°
8%
20:00
Sunny
24°
10%
21:00
Clear
22°
12%
22:00
Clear
22°
13%
23:00
Clear
21°
13%
00:00
Clear
21°
14%
01:00
Clear
20°
14%
02:00
Clear
20°
15%
03:00
Clear
20°
15%
04:00
Mist
20°
21%
05:00
Mist
20°
20%
06:00
Mist
20°
21%
07:00
Sunny
21°
16%

14-Day Forecast for Crystal Lake

Wed, Jul 08
Sunny Sunny
31° / 20°
Thu, Jul 09
Patchy rain nearby Patchy rain nearby
26° / 20°
Fri, Jul 10
Fog Fog
27° / 18°
Sat, Jul 11
Sunny Sunny
28° / 18°
Sun, Jul 12
Sunny Sunny
30° / 18°
Mon, Jul 13
Sunny Sunny
29° / 20°
Tue, Jul 14
Light rain shower Light rain shower
29° / 18°
Wed, Jul 15
Sunny Sunny
27° / 16°
Thu, Jul 16
Sunny Sunny
27° / 16°
Fri, Jul 17
Partly Cloudy Partly Cloudy
28° / 21°
Sat, Jul 18
Sunny Sunny
32° / 23°
Sun, Jul 19
Sunny Sunny
28° / 16°
Mon, Jul 20
Sunny Sunny
25° / 14°
Tue, Jul 21
Light rain shower Light rain shower
23° / 16°

Additional Forecasts for Crystal Lake

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 225.0 μg/m³
O₃ (Ozone) 42.0 μg/m³
NO₂ (Nitrogen Dioxide) 19.8 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 6.9 μg/m³
PM10 (Coarse particles) 7.3 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Crystal Lake Today

The most comfortable window in Crystal Lake today looks like 08:00 to 10:00, when it is around 26°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Crystal Lake

What is the temperature in Crystal Lake right now?

The current temperature in Crystal Lake is 18°C (65°F), clear (feels like 18°C).

What's the weather like in Crystal Lake right now?

Conditions in Crystal Lake right now: Clear, humidity 87%, wind 6 km/h WSW.

What is today's forecast for Crystal Lake?

Today in Crystal Lake: high 31°C, low 20°C, sunny. Chance of rain: 6%.

What is the 7-day weather forecast for Crystal Lake?

Daily highs and lows for Crystal Lake:

  • 2026-07-08: 31°C / 20°C
  • 2026-07-09: 26°C / 20°C
  • 2026-07-10: 27°C / 18°C
  • 2026-07-11: 28°C / 18°C
  • 2026-07-12: 30°C / 18°C
  • 2026-07-13: 29°C / 20°C
  • 2026-07-14: 29°C / 18°C
Is it going to rain in Crystal Lake today?

There is a 6% chance of rain in Crystal Lake today.

What is the wind speed in Crystal Lake right now?

Wind in Crystal Lake is currently 6 km/h (4 mph) from the WSW.

What is the UV index in Crystal Lake right now?

The UV index in Crystal Lake is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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