Weekend Weather Forecast - Mesa

Weekend weather in Mesa. Saturday high 39°C (102°F). Sunday high 38°C (100°F).

Weekend Hourly Forecast

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Temperature · peaks at +41°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
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Temperature · peaks at +36°C

Weekend Activity Outlook

Travel / Drive
Rating
Great
Reason
Clear roads — ideal for a drive (Afternoon is best)
Outdoor Sports
Rating
Great
Reason
Excellent conditions — low humidity, clear skies
Home / Laundry
Rating
Great
Reason
High wind (17 km/h) — excellent drying
Outdoor Events
Rating
Great
Reason
Clear skies — perfect for weddings or outdoor gatherings

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Mesa is forecast to reach a high of 39°C this weekend, with an overnight low around 28°C. That's 1° above the long-term average high of 38°C for this time of year. It continues a recent pattern — 18 of the last 28 days with published data have run warmer than normal. Expect little chance of rain (7% probability) and a gentle breeze averaging 17 km/h. Air quality is currently Moderate (AQI 68), driven mainly by PM2.5 at 18 μg/m³.

Today vs Normal

41°C+3° above normal

The long-term average high for today is 38°C.

18 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-28: 42°C42°2026-08-29: 41°C41°2026-08-30: 39°C39°2026-08-31: 32°C32°2026-09-01: 36°C36°2026-09-02: 38°C38°2026-09-03: 38°C38°2026-09-04: 38°C38°2026-09-05: 39°C39°2026-09-06: 40°C40°2026-09-07: 40°C40°2026-09-08: 40°C40°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.