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Climate chart Napa

Jan.

max 55°F min 43°F

15

Feb.

max 57°F min 41°F

7

Mar.

max 68°F min 46°F

6

Apr.

max 72°F min 46°F

6

May.

max 81°F min 48°F

1

Jun.

max 88°F min 54°F

1

Jul.

max 86°F min 54°F

0

Aug.

max 90°F min 55°F

0

Sep.

max 88°F min 59°F

3

Oct.

max 81°F min 55°F

0

Nov.

max 64°F min 46°F

5

Dec.

max 61°F min 46°F

9

Weekly overview Napa

Weather Napa 14 days

Thursday 16-04-2026 Sunny/Clear 45°F / 70°F

Friday 17-04-2026 Sunny/Clear 46°F / 73°F

Saturday 18-04-2026 Overcast 45°F / 70°F

Sunday 19-04-2026 Sunny/Clear 48°F / 70°F

Monday 20-04-2026 Patchy rain possible 48°F / 68°F

Tuesday 21-04-2026 Patchy rain possible 48°F / 59°F

Wednesday 22-04-2026 Patchy rain possible 48°F / 61°F

Thursday 23-04-2026 Sunny/Clear 43°F / 68°F

Friday 24-04-2026 Sunny/Clear 39°F / 68°F

Saturday 25-04-2026 Sunny/Clear 43°F / 70°F

Sunday 26-04-2026 Sunny/Clear 43°F / 66°F

Monday 27-04-2026 Sunny/Clear 45°F / 68°F

Tuesday 28-04-2026 Partly cloudy 45°F / 68°F

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