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Avis Costa Mesa car rental comparison

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Climate chart Costa Mesa

Jan.
max 63°F min 54°F
11
Feb.
max 61°F min 52°F
11
Mar.
max 68°F min 57°F
4
Apr.
max 70°F min 59°F
1
May.
max 70°F min 61°F
0
Jun.
max 77°F min 66°F
0
Jul.
max 77°F min 68°F
1
Aug.
max 82°F min 70°F
1
Sep.
max 82°F min 72°F
2
Oct.
max 75°F min 66°F
3
Nov.
max 68°F min 59°F
4
Dec.
max 68°F min 59°F
4

Weekly overview Costa Mesa

Weather Costa Mesa 14 days

Tuesday 23-06-2026 Sunny/Clear 77°F / 91°F
Wednesday 24-06-2026 Sunny/Clear 73°F / 90°F
Thursday 25-06-2026 Sunny/Clear 73°F / 90°F
Friday 26-06-2026 Sunny/Clear 75°F / 88°F
Saturday 27-06-2026 Partly cloudy 77°F / 88°F
Sunday 28-06-2026 Sunny/Clear 77°F / 90°F
Monday 29-06-2026 Sunny/Clear 77°F / 91°F
Tuesday 30-06-2026 Sunny/Clear 73°F / 93°F
Wednesday 01-07-2026 Patchy rain possible 73°F / 86°F
Thursday 02-07-2026 Patchy rain possible 75°F / 91°F
Friday 03-07-2026 Sunny/Clear 75°F / 93°F
Saturday 04-07-2026 Patchy rain possible 77°F / 91°F
Sunday 05-07-2026 Moderate rain 75°F / 84°F

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