Weekly Weather Forecast: Singapore's Pressure Shifts Through Oct 18

Monday–Tuesday: High Pressure Yields to a Nearby Low

A high-pressure system stays nearly stationary on October 12 (Monday), then a low-pressure system moves in nearby on October 13 (Tuesday). Central sees sunny-with-occasional-rain skies and a 50% rain chance on October 12 (Monday), with highs near 32°C and lows near 26°C, easing to sunny-with-occasional-clouds skies and a 20% rain chance on October 13 (Tuesday) as highs dip to 31°C. Changi holds steadier sunny-with-occasional-clouds skies and a 20% rain chance on both days, with highs near 30°C and lows near 26°C.

Wednesday–Thursday: A Mostly Sunny Midweek Pause

A low-pressure system remains nearby on October 14 (Wednesday), then a high-pressure system moves in nearby on October 15 (Thursday). Central stays mostly sunny on October 14 (Wednesday), with the rain chance easing to 10% and highs of 32°C, before sunny-with-occasional-rain skies return on October 15 (Thursday) as the rain chance climbs to 50% and highs reach 33°C. Jurong West mirrors Central closely, holding a mostly sunny outlook on October 14 (Wednesday) before a similar rise in rain chances on October 15 (Thursday), with highs in the 32–33°C range.

Friday–Sunday: Rain Chances Build, Then Ease

A low-pressure system stays nearby through the weekend, with rain chances building from October 16 (Friday) through October 17 (Saturday) before easing on October 18 (Sunday). Central holds a 50% rain chance under sunny-with-occasional-rain skies and highs of 33°C on October 16 (Friday), rising to the week's highest rain chance of 70% on October 17 (Saturday) as rain with occasional sunny spells takes hold and highs ease to 32°C, before easing back to a 50% rain chance on October 18 (Sunday) with highs near 33°C. Woodlands sees a comparable 60% rain chance under sunny-then-rain skies on October 17 (Saturday), with highs near 33°C.