Phoenix forecast for January 20–26: mild days, cool nights, and limited rain chances late week
Sunny start, then a brief chance of showers
Phoenix enters the week of January 20–26 with a predominantly dry and mild pattern, led by sunshine and seasonable daytime warmth. The most notable change arrives late in the workweek, when cloud cover increases and the probability of light rain rises before conditions trend drier again over the weekend.
Tuesday, January 20, is expected to be pleasant and mostly sunny, with a high near 76°F and a low around 45°F. Wednesday remains mild but slightly cooler, with sunshine mixed with a few clouds and a high near 71°F. Temperatures rebound Thursday under partly sunny skies, reaching about 75°F with an overnight low near 53°F.
Late-week clouds and showers, then a calmer weekend
Forecast guidance indicates the best chance for measurable precipitation occurs Friday, January 23, when skies turn mostly cloudy and a couple of showers are possible. Temperatures are expected to stay mild, near 72°F for the afternoon high, with a low around 53°F.
Saturday, January 24, may begin with a couple of morning showers, followed by partial clearing and a mix of clouds and sun. A gradual cooling trend is forecast into the weekend, with Saturday’s high near 68°F and an overnight low near 47°F. Sunday, January 25, is expected to turn mostly dry again, with sunshine and a few clouds and a high close to 67°F. Similar conditions are forecast for Monday, January 26, with partly sunny skies and a high near 67°F.
What residents should watch for
Day-to-night swings: Overnight lows are forecast mostly in the mid-40s to low-50s, while highs range from the upper 60s to mid-70s.
Timing of rain: The primary window for showers is Friday into early Saturday; outside that period, dry conditions dominate.
Travel and outdoor plans: The best opportunities for outdoor activities appear Tuesday through Thursday and again Sunday into Monday, while late Friday and early Saturday could be affected by passing showers.
Forecast temperatures for Phoenix this week range from highs near 67–76°F and lows near 45–53°F, with the highest shower chances late Friday into Saturday morning.
As always in winter weather regimes, the exact placement and duration of any showers can shift within 24–48 hours. Residents planning outdoor events late week may want to monitor updated forecasts as Friday approaches.