PHOENIX, Ariz. — Saturday dawns cool and clear across the Valley, with temperatures in the 60s and a gentle easterly breeze. It’s a great window for morning errands or a hike before a brief warm-up takes hold early next week.
The National Weather Service in Phoenix says a broad upper-level ridge will dominate the Southwest through Tuesday, keeping skies mostly cloud-free. Light east winds near 5 mph will tweak direction midweek, but overall dust concerns remain low while humidity stays sparse. The hottest stretch arrives Monday and Tuesday, when highs press toward 90 to 91°F, especially along the I-10 corridor from Goodyear to Mesa. Nights will be mild in the lower 60s—comfortable, yet dry enough to sap moisture from lawns and desert vegetation.
Plan for strong afternoon sunshine, dry pavement, and high UV. Outdoor workers and drivers should account for glare and heat, and hikers around South Mountain and Camelback should carry extra water, apply sunscreen, and aim for earlier starts.
By Thursday and Friday, subtle shifts—weak northeasterly flow—trim daytime highs back into the upper 80s. Halloween evening looks clear, calm, and seasonably warm, ideal for costumes without an extra layer.
Looking ahead, early November points to a more noticeable cool-down with a breezier feel, hinting at the season’s first meaningful cool push as the new month begins.
Phoenix 5-day outlook:
– Sat: 87/62 — Sunny and very dry; light east breeze and a quiet afternoon.
– Sun: 88/62 — Bright, steady warmth; excellent day for outdoor plans.
– Mon: 88/63 — Near 90°F; light winds and strong afternoon sun.
– Tue: 91/65 — Hotter and very dry; slight dust potential east of I-10.
– Wed: 91/65 — Sunny and warm; gentle east wind with a late-week cooling trend.
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