| Wed May 22 | Thu May 23 | Fri May 24 | Sat May 25 | |
| Tmin 18-06 |
16°C | 16°C | 15°C | 15°C |
| Tmax 06-18 |
20°C | 21°C | 22°C | 21°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Walnut | Distance |
| West Covina | 3.6 km |
| Diamond Bar | 4.6 km |
| Rowland Heights | 4.8 km |
| La Puente | 7.9 km |
| Covina | 9.3 km |
| Hacienda Heights | 9.4 km |
| Brea | 10.4 km |
| Glendora | 11.1 km |
| Pomona | 11.4 km |
| San Dimas | 11.5 km |
| La Habra | 12.0 km |
| La Verne | 12.7 km |
| Baldwin Park | 13.1 km |
| Azusa | 13.8 km |
| Placentia | 14.8 km |
| La Verne | 15.1 km |
| Pasadena | 15.5 km |
| Claremont | 16.6 km |
| Fullerton | 17.0 km |
| Chino Hills | 17.0 km |
| Montclair | 17.1 km |
| South El Monte | 17.3 km |
| Duarte | 17.5 km |
| La Mirada | 19.0 km |
| Fullerton | 19.3 km |
| Yorba Linda | 19.3 km |
| El Monte | 19.3 km |
| Santa Fe Springs | 19.9 km |
| Arcadia | 20.1 km |
| Pico Rivera | 20.3 km |
| Chino | 20.3 km |
| Rosemead | 20.8 km |
| Villa Park | 20.9 km |
| Temple | 21.5 km |
| Upland | 22.0 km |
| Buena Park | 22.3 km |
| Norwalk | 22.9 km |
| Montebello | 23.1 km |
| Monterey Park | 23.4 km |
| San Gabriel | 23.4 km |
| Ontario | 23.7 km |
| La Palma | 23.8 km |
| Cerritos | 23.8 km |
| Anaheim | 24.1 km |
| Downey | 24.9 km |
| Sierra Madre | 24.9 km |
| Ontario | 24.9 km |
| Stanton | 25.4 km |
| Alhambra | 25.7 km |
| Lakewood | 27.3 km |
| Cypress | 28.0 km |
| Garden Grove | 28.5 km |
| Bellflower | 28.8 km |
| Norco | 29.2 km |
| Bell | 29.5 km |
| Hawaiian Gardens | 29.8 km |
| South Pasadena | 29.8 km |
| Forecast: Walnut Region Expect a mix of sun and clouds in the days to come. Rain will not occur during daytime. With a high around 21 degrees it's warm. |