California – Bright sunshine is already baking the San Joaquin Valley, and the hottest days of the week are still on the horizon. Fields shimmer in the morning light, roads are warming quickly, and each afternoon will bring another step upward as a prolonged stretch of triple-digit summer heat settles over central California.
According to the National Weather Service in Hanford, dry weather will dominate the week with abundant sunshine and steadily increasing temperatures across the San Joaquin Valley. Highs climb from 97 degrees today to 100 degrees by Wednesday, reaching 102 degrees Thursday before peaking around 104 to 105 degrees heading into the weekend. No significant rain is expected during this period.
Hanford will remain sunny with light northwest winds, making for excellent visibility but increasingly dangerous afternoon heat. Travel along Highway 198, Highway 43 and State Route 99 should remain free of weather-related delays, although drivers should be prepared for intense pavement heat during the afternoon. Farm workers, construction crews and anyone spending extended time outdoors should schedule frequent cooling breaks as temperatures continue climbing through midweek.
The broader weather pattern features a strengthening ridge of high pressure across the West, allowing heat to intensify across interior California. While no thunderstorms are expected around Hanford, active monsoonal moisture will remain confined well east of the Sierra Nevada. By Wednesday, the first triple-digit temperatures arrive, followed by even hotter afternoons Thursday through the weekend.
Take advantage of the cooler morning hours for outdoor chores, drink water frequently, wear lightweight clothing and never leave children or pets inside parked vehicles. Heat-related illnesses can develop quickly as temperatures move into the triple digits.
Looking farther ahead, the 6-to-10-day outlook continues to favor above-normal temperatures, signaling that summer heat is likely to persist across the San Joaquin Valley into early August.
Five-Day Forecast for Hanford, California
- Today: Sunny. High 97°.
- Tuesday: Sunny. High 97°.
- Wednesday: Sunny and hotter. High 100°.
- Thursday: Sunny and hot. High 102°.
- Friday: Sunny and hot. High 104°.
