San Antonio, Texas Weather Alert Now: February Chill Fades as 89° Heat Builds Wednesday

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Texas air feels crisp at sunrise, but don’t let the 45-degree start fool you. Sunshine is already taking over San Antonio, and temperatures are set to climb quickly through the day.

Skies remain clear across Bexar County this morning with calm winds at Kelly Field. That calm won’t last. According to the National Weather Service, south-southwest winds increase to 10 to 15 mph by late morning, with gusts up to 25 mph this afternoon. Highs reach near 74 degrees, a nearly 30-degree jump from early morning readings.

Drivers along I-35 and Loop 410 may notice steady crosswinds by mid-afternoon. Secure lightweight patio items before lunch. The warming trend accelerates midweek.

Wednesday turns hot for February, with highs soaring to 89 degrees under full sun. Light southwest winds keep conditions dry. Thursday remains bright and very warm, reaching 88 degrees before a subtle wind shift late in the day. No rain is expected through the workweek.

Friday eases slightly but still reaches the low 80s. Saturday stays warm near the mid-80s, with mostly sunny skies continuing into Sunday. Morning lows hold in the upper 50s to near 60, a sign of strengthening spring warmth.

Long-range guidance suggests above-normal temperatures into early next week, with highs in the 80s holding steady. For now, hydrate and plan for big temperature swings between sunrise and afternoon.

Are you ready for near-90-degree heat before March in San Antonio?

Five Day Outlook for San Antonio, Texas:

Tuesday: High 74, sunny, gusts to 25 mph
Wednesday: High 89, sunny
Thursday: High 88, sunny
Friday: High 83, sunny
Saturday: High 86, sunny