Key Facts
• October 23: Hiroshima experienced clear autumn skies with minimal clouds.
• Morning temperatures dropped significantly, with Ōasa at 2.9°C and Yuki at 4.3°C.
• These were the coldest temperatures of the season, comparable to mid-to-late November averages.
• Daytime temperatures rose, creating a large temperature difference within the day.
• October 24 forecast: Continued clear skies due to a high-pressure system with cold air.
• Ideal conditions for laundry and outdoor activities; dry air increases fire risk.
• Morning temperatures will remain low, similar to October 23.
• Daytime highs expected: 22–23°C in most areas, 25°C in Hiroshima City’s Naka Ward.
• Significant temperature swings expected; dress in layers for comfort.
• Clear weather will persist until October 24, with rain likely over the weekend.
• Weekend highs will exceed 20°C, feeling warm or even hot under sunlight.
• Next week: Highs around 20°C, with cold mornings and evenings, and large daily temperature differences.
Summary
Hiroshima experienced clear skies and significant morning cold on October 23, with temperatures dropping to 2.9°C in Ōasa and 4.3°C in Yuki, marking the season’s coldest day. Daytime temperatures rose, creating notable temperature swings. On October 24, clear skies will continue due to a high-pressure system, making it ideal for laundry and outings. Morning lows will remain cold, while daytime highs will reach 22–25°C. Residents are advised to dress in layers and handle fire with caution due to dry air. Rain is expected over the weekend, with warm temperatures exceeding 20°C. Next week, highs will hover around 20°C, with cold mornings and evenings and significant daily temperature variations.
