Typical weather at station FOSTER AVE CHICAGO

Station information

• Integrated Surface Dataset (ISD) station ID: 998497
• Country: US
• State: IL
• Latitude: 41.976
• Longitude: -87.648

High Temperatures

On average, the day with the warmest high temperature in FOSTER AVE CHICAGO is July 19 at an average of 84.1 °F (29.0 °C).

On average, the day with the coldest high temperature in FOSTER AVE CHICAGO is January 6 at an average of 26.2 °F (-3.2 °C).

Records

The warmest recorded high temperature in FOSTER AVE CHICAGO was 98.8 °F (37.1 °C) on July 25 in the year 2012 at FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 .

The coldest recorded high temperature in FOSTER AVE CHICAGO was -1.8 °F (-18.8 °C) on January 30 in the year 2019 at FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 .

Low Temperatures

On average, the day with the warmest low temperature in FOSTER AVE CHICAGO is July 18 at an average of 71.6 °F (22.0 °C).

On average, the day with the coldest low temperature in FOSTER AVE CHICAGO is January 6 at an average of 14.3 °F (-9.8 °C).

Records

The warmest recorded low temperature in FOSTER AVE CHICAGO was 86.5 °F (30.3 °C) on June 20 in the year 2012 at FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 .

The coldest recorded low temperature in FOSTER AVE CHICAGO was -21.6 °F (-29.8 °C) on January 30 in the year 2019 at FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 .

Freeze

When you are gardening in FOSTER AVE CHICAGO, consider the chance that the weather may freeze and harm your plants. There is a greater than 5% chance of temperatures dropping below freezing in 168 of 366 days per year in FOSTER AVE CHICAGO.

According to the USA National Weather Service:

Freeze occurs when the temperature drops to 32° Fahrenheit or lower. A freeze will result in significant damage to many unprotected plants, especially if the temperature remains at-or-below freezing for several hours.

Last freeze

In FOSTER AVE CHICAGO during the spring season, the average last freeze date is no freezing temperatures all season. Expect^* the last freeze date after

• April 15 in one of every two years (50%),
• May 9 in one of every ten years (10%),
• May 18 in one of every twenty years (5%),
• May 22 in one of every hundred years (1%).

First freeze

In FOSTER AVE CHICAGO during the autumn (fall) season, the average first freeze date is no freezing temperatures all season. Expect^* the first freeze date before

• October 31 in one of every two years (50%),
• October 18 in one of every ten years (10%),
• October 16 in one of every twenty years (5%),
• October 4 in one of every hundred years (1%).

Hard Freeze

According to the USA National Weather Service:

Hard freeze typically occurs when the temperature reaches 28° Fahrenheit or lower for at least an hour (or more). This usually means that most seasonal vegetation will be destroyed. In addition, there is a possibility of damage to unprotected outdoor plumbing/un-drained sprinkler systems etc.

Last hard freeze

In FOSTER AVE CHICAGO during the spring season, the average last hard freeze date is no freezing temperatures all season. Expect^* the last hard freeze date after

• April 8 in one of every two years (50%),
• April 17 in one of every ten years (10%),
• April 26 in one of every twenty years (5%),
• May 18 in one of every hundred years (1%).

First hard freeze

In FOSTER AVE CHICAGO during the autumn (fall) season, the average first hard freeze date is no freezing temperatures all season. Expect^* the first hard freeze date before

• November 11 in one of every two years (50%),
• October 28 in one of every ten years (10%),
• October 26 in one of every twenty years (5%),
• October 16 in one of every hundred years (1%).

Frost

Frost can happen at temperatures above freezing and damage delicate plants. According to the USA National Weather Service:

Frost occurs when there is a solid deposition of water vapor from the air. Frost will form when solid surfaces are cooled below the dew point. An air temperature range of 33°- 36° Fahrenheit (or colder), along with light winds, is usually needed to initiate frost formation. At least minor damage is possible to plants. One must keep in mind that frost is not guaranteed if the air is very dry and/or winds are roughly 8+ MPH.

Last frost

In FOSTER AVE CHICAGO during the spring season, the average last frost date is no freezing temperatures all season. Expect^* the last frost date after

• April 28 in one of every two years (50%),
• May 19 in one of every ten years (10%),
• May 22 in one of every twenty years (5%),
• June 19 in one of every hundred years (1%).

First frost

In FOSTER AVE CHICAGO during the autumn (fall) season, the average frost date is no frost all season. Expect^* the first frost date before

• October 26 in one of every two years (50%),
• October 15 in one of every ten years (10%),
• October 5 in one of every twenty years (5%),
• September 23 in one of every hundred years (1%).

Details

If you would like to see the temperatures for specific days, you can click on the corresponding links below: