Phoenix area forecast: Temperatures trend into the 70s midweek with mostly sunny skies expected

Warm, dry pattern sets up over the Valley

Metro Phoenix is heading into a stretch of seasonably mild to warmer-than-typical weather, with daytime highs forecast to climb into the 70s by midweek and skies leaning mostly sunny. The pattern reflects a broader, stable setup over the region that favors clear conditions and limited precipitation through the middle of the week.

Forecast guidance for the Phoenix Sky Harbor area indicates cool mornings early in the week—generally in the 40s—followed by afternoon warming. After a cooler start, daytime temperatures are projected to rebound into the upper 60s and low 70s, then settle into the low-to-mid 70s by Wednesday and Thursday. Overnight lows are expected to moderate slightly as the week progresses.

Day-by-day outlook: warming afternoons, cool starts

• Monday: highs expected to reach the upper 60s, with early-morning lows around the mid-40s and variable cloud cover.

• Tuesday: temperatures likely rise into the low 70s during the afternoon after a cool morning in the 30s and 40s across parts of the metro area and nearby suburbs.

• Wednesday–Thursday: highs forecast in the low to mid 70s with a mix of mostly sunny to partly cloudy skies; morning lows generally in the upper 40s to near 50.

How it compares with typical late-January temperatures

Late January in Phoenix commonly features highs near the upper 60s, making several days in the 70s a notable but not unprecedented departure from average. Recent climate summaries for Phoenix have referenced average highs near 68 degrees, providing a baseline for comparison as the city moves through a warmer-than-usual period.

In practical terms, the forecast points to a familiar winter pattern for the Valley: comfortable afternoons and cooler evenings, with the greatest temperature swings occurring from sunrise to late day.

Rain chances remain limited, with eyes on the late-week pattern

Through midweek, precipitation prospects remain low under the prevailing stable setup. Some forecasts have signaled the potential for a weak system or cutoff low to influence Arizona later in the week, but the most consistent expectation near Phoenix is for any rain to be light and not widespread if it develops. Travelers to higher terrain should note that conditions can differ substantially across the state, with colder temperatures and periodic mountain impacts possible even when the Valley stays mild.

For residents, the takeaway is straightforward: plan for cool mornings, increasingly warm afternoons in the 70s by midweek, and generally quiet weather with mostly sunny skies.