Weather Almanac: Upland, CA 91786

🗓️ Historical norms for June 2026

May July

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

June avg. precipitation

🌧️ 0.12"

June days below freezing

📉 ≈0.0 days

Average June lows 57°F – 61°F

USDA Zone

10a

Annual extreme lows 30°F to 35°F

Last Spring Frost (36°F)

🌷 Feb 24

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First Fall Frost (36°F)

🍂 Dec 2

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. June 1

🌅 5:40 a.m.

H: 73°F – 90°F

L: 53°F – 61°F

🌇 7:57 p.m.

Tue. June 2

🌅 5:39 a.m.

H: 73°F – 91°F

L: 54°F – 61°F

🌇 7:57 p.m.

Wed. June 3

🌅 5:39 a.m.

H: 73°F – 91°F

L: 54°F – 61°F

🌇 7:58 p.m.

Thu. June 4

🌅 5:39 a.m.

H: 74°F – 91°F

L: 54°F – 61°F

🌇 7:58 p.m.

Fri. June 5

🌅 5:39 a.m.

H: 74°F – 91°F

L: 54°F – 61°F

🌇 7:59 p.m.

Sat. June 6

🌅 5:39 a.m.

H: 74°F – 91°F

L: 54°F – 61°F

🌇 7:59 p.m.

Sun. June 7

🌅 5:38 a.m.

H: 75°F – 91°F

L: 54°F – 61°F

🌇 8:00 p.m.

Mon. June 8

🌅 5:38 a.m.

H: 75°F – 92°F

L: 54°F – 61°F

🌇 8:00 p.m.

Tue. June 9

🌅 5:38 a.m.

H: 75°F – 92°F

L: 55°F – 61°F

🌇 8:01 p.m.

Wed. June 10

🌅 5:38 a.m.

H: 76°F – 92°F

L: 55°F – 61°F

🌇 8:01 p.m.

Thu. June 11

🌅 5:38 a.m.

H: 76°F – 92°F

L: 55°F – 62°F

🌇 8:02 p.m.

Fri. June 12

🌅 5:38 a.m.

H: 76°F – 92°F

L: 55°F – 62°F

🌇 8:02 p.m.

Sat. June 13

🌅 5:38 a.m.

H: 77°F – 93°F

L: 55°F – 62°F

🌇 8:03 p.m.

Sun. June 14

🌅 5:38 a.m.

H: 77°F – 93°F

L: 55°F – 62°F

🌇 8:03 p.m.

Mon. June 15

🌅 5:38 a.m.

H: 78°F – 93°F

L: 55°F – 62°F

🌇 8:03 p.m.

Tue. June 16

🌅 5:38 a.m.

H: 78°F – 93°F

L: 55°F – 62°F

🌇 8:04 p.m.

Wed. June 17

🌅 5:38 a.m.

H: 78°F – 94°F

L: 56°F – 63°F

🌇 8:04 p.m.

Thu. June 18

🌅 5:39 a.m.

H: 79°F – 94°F

L: 56°F – 63°F

🌇 8:04 p.m.

Fri. June 19 Juneteenth

🌅 5:39 a.m.

H: 79°F – 94°F

L: 56°F – 63°F

🌇 8:05 p.m.

Sat. June 20

🌅 5:39 a.m.

H: 79°F – 94°F

L: 56°F – 63°F

🌇 8:05 p.m.

Sun. June 21 Summer Solstice

🌅 5:39 a.m.

H: 80°F – 94°F

L: 56°F – 63°F

🌇 8:05 p.m.

Mon. June 22

🌅 5:39 a.m.

H: 80°F – 95°F

L: 56°F – 64°F

🌇 8:05 p.m.

Tue. June 23

🌅 5:40 a.m.

H: 81°F – 95°F

L: 57°F – 64°F

🌇 8:05 p.m.

Wed. June 24

🌅 5:40 a.m.

H: 81°F – 95°F

L: 57°F – 64°F

🌇 8:05 p.m.

Thu. June 25

🌅 5:40 a.m.

H: 81°F – 95°F

L: 57°F – 64°F

🌇 8:06 p.m.

Fri. June 26

🌅 5:41 a.m.

H: 82°F – 96°F

L: 57°F – 65°F

🌇 8:06 p.m.

Sat. June 27

🌅 5:41 a.m.

H: 82°F – 96°F

L: 57°F – 65°F

🌇 8:06 p.m.

Sun. June 28

🌅 5:41 a.m.

H: 82°F – 96°F

L: 57°F – 65°F

🌇 8:06 p.m.

Mon. June 29

🌅 5:42 a.m.

H: 83°F – 96°F

L: 57°F – 65°F

🌇 8:06 p.m.

Tue. June 30

🌅 5:42 a.m.

H: 83°F – 96°F

L: 58°F – 65°F

🌇 8:06 p.m.

May July

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

Temperature climatic data from weather station: ONTARIO INTL AP (USW00003102)

Precipitation climatic data from weather station: ONTARIO INTL AP (USW00003102)

Agricultural climatic data from weather station: ONTARIO INTL AP (USW00003102)