Singapore Today: Hot Sun with Isolated Woodlands Showers

Sunny, Hot Conditions Across the Island

Singapore wakes to sunny skies today, September 21, with Central areas forecast to see sunny conditions with occasional clouds, reaching a high of 31°C after an overnight low of 26°C.

Air quality across Central is in the Good category today, while the sun keeps temperatures elevated through the afternoon.

Changi's forecast also stays sunny today, with a high of 30°C and a low of 27°C, keeping the eastern side of the island clear through the day.

Woodlands Faces the Day's Best Chance of Rain

Woodlands carries the day's highest rain risk, with a 50% chance of showers and 2 mm of rainfall forecast for today. The outlook lists the area as sunny with occasional rain overall.

The clearest window for wet weather falls at 15:00, when Woodlands sees a 90% precipitation probability and roughly 1.0 mm of rain, so residents heading out near mid-afternoon should carry an umbrella.

In contrast, Central spends today largely dry, with rainfall chances capped near 20% and no measurable rainfall expected through the day, a much lower risk than Woodlands faces this afternoon.

Heat Stress Rated Severe Caution Today

Heat stress risk is rated Severe caution for Central today under the WBGT index, with the Activity Index there at Slightly poor for outdoor exercise and sports.

Changi's heat stress reading is Caution, a milder category, while driving conditions across Central are rated Excellent today.

Jurong West, Sengkang, and Woodlands also show Severe caution for heat stress today, with Jurong West's Activity Index at Slightly poor, matching Central's readings.