Weather Almanac: Naperville, IL 60565

🗓️ Historical norms for February 2026

January March

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

February avg. precipitation

🌧️ 1.85"

February days below freezing

📉 ≈26.0 days

Average February lows ≈16.9°F

USDA Zone

Annual extreme lows -10°F to -5°F

Last Spring Frost (36°F)

🌷 May 28

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First Fall Frost (36°F)

🍂 Sep 23

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sun. February 1

🌅 7:04 a.m.

H: ≈31.7°F

L: ≈14.5°F

🌇 5:08 p.m.

Mon. February 2 Groundhog Day

🌅 7:03 a.m.

H: ≈31.9°F

L: ≈14.5°F

🌇 5:09 p.m.

Tue. February 3

🌅 7:02 a.m.

H: ≈32.1°F

L: ≈14.6°F

🌇 5:10 p.m.

Wed. February 4

🌅 7:01 a.m.

H: ≈32.3°F

L: ≈14.7°F

🌇 5:11 p.m.

Thu. February 5

🌅 7:00 a.m.

H: ≈32.5°F

L: ≈14.9°F

🌇 5:13 p.m.

Fri. February 6

🌅 6:59 a.m.

H: ≈32.8°F

L: ≈15.0°F

🌇 5:14 p.m.

Sat. February 7

🌅 6:57 a.m.

H: ≈33.0°F

L: ≈15.1°F

🌇 5:15 p.m.

Sun. February 8

🌅 6:56 a.m.

H: ≈33.3°F

L: ≈15.3°F

🌇 5:17 p.m.

Mon. February 9

🌅 6:55 a.m.

H: ≈33.5°F

L: ≈15.5°F

🌇 5:18 p.m.

Tue. February 10

🌅 6:54 a.m.

H: ≈33.8°F

L: ≈15.7°F

🌇 5:19 p.m.

Wed. February 11

🌅 6:53 a.m.

H: ≈34.1°F

L: ≈15.8°F

🌇 5:20 p.m.

Thu. February 12 Lincoln's Birthday

🌅 6:51 a.m.

H: ≈34.4°F

L: ≈16.0°F

🌇 5:22 p.m.

Fri. February 13

🌅 6:50 a.m.

H: ≈34.7°F

L: ≈16.3°F

🌇 5:23 p.m.

Sat. February 14 Valentine's Day

🌅 6:49 a.m.

H: ≈35.1°F

L: ≈16.5°F

🌇 5:24 p.m.

Sun. February 15

🌅 6:47 a.m.

H: ≈35.4°F

L: ≈16.7°F

🌇 5:25 p.m.

Mon. February 16 Washington's Birthday

🌅 6:46 a.m.

H: ≈35.7°F

L: ≈16.9°F

🌇 5:27 p.m.

Tue. February 17 Shrove Tuesday

🌅 6:45 a.m.

H: ≈36.1°F

L: ≈17.2°F

🌇 5:28 p.m.

Wed. February 18 Ash Wednesday

🌅 6:43 a.m.

H: ≈36.4°F

L: ≈17.5°F

🌇 5:29 p.m.

Thu. February 19

🌅 6:42 a.m.

H: ≈36.8°F

L: ≈17.7°F

🌇 5:30 p.m.

Fri. February 20

🌅 6:40 a.m.

H: ≈37.2°F

L: ≈18.0°F

🌇 5:32 p.m.

Sat. February 21

🌅 6:39 a.m.

H: ≈37.5°F

L: ≈18.3°F

🌇 5:33 p.m.

Sun. February 22

🌅 6:37 a.m.

H: ≈37.9°F

L: ≈18.6°F

🌇 5:34 p.m.

Mon. February 23

🌅 6:36 a.m.

H: ≈38.3°F

L: ≈18.9°F

🌇 5:35 p.m.

Tue. February 24

🌅 6:34 a.m.

H: ≈38.7°F

L: ≈19.2°F

🌇 5:37 p.m.

Wed. February 25

🌅 6:33 a.m.

H: ≈39.1°F

L: ≈19.5°F

🌇 5:38 p.m.

Thu. February 26

🌅 6:31 a.m.

H: ≈39.5°F

L: ≈19.8°F

🌇 5:39 p.m.

Fri. February 27

🌅 6:30 a.m.

H: ≈39.9°F

L: ≈20.1°F

🌇 5:40 p.m.

Sat. February 28

🌅 6:28 a.m.

H: ≈40.3°F

L: ≈20.4°F

🌇 5:41 p.m.

January March

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: LISLE-MORTON ARBORETUM (USC00115097)

Precipitation climatic data from weather station: LISLE-MORTON ARBORETUM (USC00115097)

Agricultural climatic data from weather station: WHEATON 3 SE (USC00119221)