Phoenix, Arizona – Phoenix recorded an unusually warm overnight low Friday morning, potentially setting a new daily record.
According to the National Weather Service in Phoenix, the low temperature at Phoenix Sky Harbor International Airport reached 59 degrees early Friday. That reading is 11 degrees above normal for this date and may establish a new record warm low temperature if it holds through midnight tonight.
The previous record for the date was 57 degrees, set in 1992, while the long-term normal low for early February is 48 degrees, the agency said in its social media update.
Record warm low temperatures occur when overnight cooling is limited, often due to cloud cover, higher humidity, or persistent southerly winds. While daytime temperatures frequently draw more attention, warm overnight lows can have a significant impact on energy demand, sleep comfort, and early-morning outdoor activity.
Sky Harbor Airport is the official climate observation site for Phoenix, and records set there are used for the city’s historical temperature data. Final confirmation of the record depends on whether temperatures remain at or above 59 degrees through the end of the local climate day.
Although no hazardous weather is associated with the warmth, the temperature anomaly stands out for early February, a period typically associated with cooler desert nights. The National Weather Service did not indicate that the warm low would directly affect travel conditions around the airport area.
For commuters, students, and early-shift workers, the warmer-than-usual morning may reduce the need for heavy layers during the pre-dawn hours.
Additional updates will be issued if the record becomes official after midnight.
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