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Climate chart Walnut Creek

Jan.

max 55°F min 45°F

14

Feb.

max 55°F min 41°F

9

Mar.

max 68°F min 46°F

5

Apr.

max 70°F min 48°F

6

May.

max 79°F min 52°F

0

Jun.

max 86°F min 57°F

1

Jul.

max 86°F min 55°F

0

Aug.

max 90°F min 59°F

0

Sep.

max 88°F min 63°F

4

Oct.

max 81°F min 57°F

0

Nov.

max 63°F min 46°F

4

Dec.

max 61°F min 50°F

8

Weekly overview Walnut Creek

Weather Walnut Creek 14 days

Thursday 21-05-2026 Sunny/Clear 54°F / 82°F

Friday 22-05-2026 Sunny/Clear 54°F / 77°F

Saturday 23-05-2026 Sunny/Clear 52°F / 73°F

Sunday 24-05-2026 Sunny/Clear 52°F / 79°F

Monday 25-05-2026 Sunny/Clear 54°F / 82°F

Tuesday 26-05-2026 Sunny/Clear 55°F / 81°F

Wednesday 27-05-2026 Partly cloudy 55°F / 73°F

Thursday 28-05-2026 Sunny/Clear 54°F / 73°F

Friday 29-05-2026 Sunny/Clear 54°F / 70°F

Saturday 30-05-2026 Sunny/Clear 52°F / 73°F

Sunday 31-05-2026 Sunny/Clear 54°F / 77°F

Monday 01-06-2026 Cloudy 54°F / 68°F

Tuesday 02-06-2026 Partly cloudy 52°F / 70°F

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