Nearby locations
Crystal Lake, Illinois, United States
Crystal Manor, Illinois, United States
Royal Oaks Mobile Home Park, Illinois, United States
Nearby popular places
Veterans Acres Park, United States
Wingate Prairie Nature Preserve, United States
Feinburg Park, United States

Weather in Crystal Lake, United States

74°
Clear
Feels like 74°
·
High74°Low67°
Are you a business interested
in the data behind our forecast?
Try Our Weather API
Weather API Globe

Air quality

Full Details
0
143
500
Air quality:Unhealthy for sensitive groups

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Today's weather summary

The weather in Crystal Lake on Monday, July 20th, is going to be cloudy for most of the day, with clear skies before dawn.

There is also a chance for some clouds in the early morning around 6 am.

Weather details for Crystal Lake, on Monday, July 20th:

The maximum temperature of the day is going to be 85°F at about 4 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 46% to a maximum value of 95% at about 3 am. The wind will be breezy, and will get up to 17 mph at 7 pm, blowing from the south-west. The cloud coverage will range from 2% around 4 am to as high as 100% around 10 pm with an average of 65%.

The chances of precipitation throughout the day will change between 0% and 30%. The highest chance for precipitation will be around 11 pm and the lowest probability around midnight. The dew point will range from 56°F up to a maximum value of 68°F around 9 pm.

The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1010 hPa. Sunrise will be at 5:34 am, and sunset at 8:24 pm. The day will have 14 hours and 50 minutes of daylight.

Air quality forecast for Crystal Lake, on Monday, July 20th:

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 52 and 233.

Pollen forecast for Crystal Lake, on Monday, July 20th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

The weather in Crystal Lake on Tuesday, July 21st, will change throughout the day from raining heavily weather to clear.

According to our models heavy rain will appear before dawn and there is a high chance for clear skies in the early morning.

Weather information for Crystal Lake, on Tuesday, July 21st:

The maximum temperature of the day will be 79°F around 10 am. The day will have very high relative humidity, with average humidity of 74%, ranging from 57% to a maximum value of 93% at about 6 am. The wind will be breezy, and will get up to 17 mph at 1 pm, blowing from the north-west. The cloud coverage will range from 0% around 8 am to as high as 100% around 7 pm with an average of 48%.

The chances of precipitation throughout the day will change between 0% and 20%. The highest chance for precipitation will be around midnight and the lowest probability around 1 am. The dew point will range from 56°F up to a maximum value of 70°F around 4 am.

The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be low with average pressure of 1006 hPa. Sunrise will be at 5:35 am, and sunset at 8:23 pm, making it a total of 14 hours and 48 minutes of daylight.

Air quality forecast for Crystal Lake, on Tuesday, July 21st:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 30 and 49.

Pollen forecast for Crystal Lake, on Tuesday, July 21st:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

FAQ

How warm does it get in Crystal Lake?
The average annual highest temperature in Crystal Lake is 29.6°C (85.3°F), and the July 18th is the hottest day on average.
How cold does it get in Crystal Lake?
The average annual lowest temperature in Crystal Lake is -11.2°C (11.8°F), and the February 5th is the coldest day on average.
Which month has the most rain in Crystal Lake?
The wettest months in Crystal Lake are May and June.
What months does it snow in Crystal Lake?
The most common time of year for snow is February, January, December and March.