Phoenix Temps Soar Toward 90F This Week

Sunny, dry conditions with potential for late-February record highs

Published on Feb. 22, 2026

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Phoenix is in for an early spring-style warmup this week, with sunshine pushing afternoon highs steadily from the low 80s into the upper 80s and even the low 90s by mid to late week. Skies will stay dry, and winds will remain mostly light, although some easterly gusts could make mornings feel a bit brisk.

Why it matters

This early-season heat wave in Phoenix is noteworthy, as temperatures are expected to approach or potentially break late-February records. The dry, sunny conditions and low humidity also raise the risk of spot fires, making outdoor burning a bad idea.

The details

High temperatures are expected to climb from around 82°F on Sunday into the mid-80s on Monday and Tuesday, then peak in the upper 80s to low 90s by Wednesday through Friday across many lower-desert neighborhoods. Overnight lows should hold in the mid-50s to low-60s, with no measurable rain in the forecast. Easterly and east-northeast winds will be most noticeable in the mornings, with valley gusts around 20 to 25 mph and gusts up to 30 to 35 mph possible over higher terrain east of Phoenix. Winds should ease back in the afternoons. Afternoon relative humidity is expected to dip into the 10 to 15 percent range.

  • Sunday's high near 82°F.
  • Highs in the mid-80s on Monday and Tuesday.
  • Highs in the upper 80s to low 90s from Wednesday through Friday.

The players

National Weather Service Phoenix

The local office of the National Weather Service that issued the forecast and discussion highlighting the warming trend and potential record watch.

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What’s next

Forecasters will continue to monitor the situation and issue any necessary weather advisories as the week progresses.

The takeaway

This early-season heat wave in Phoenix serves as a reminder for residents to take precautions, such as staying hydrated, limiting outdoor activities during the hottest parts of the day, and checking on vulnerable neighbors and pets. The dry conditions also heighten the risk of spot fires, underscoring the importance of avoiding outdoor burning.