Weather Forecast Bukit Timah: Hourly, 7-14 Day Outlook

Singapore’s weather can shift from blazing sunshine to sudden downpours in a matter of minutes—and Bukit Timah Hill’s elevated terrain catches clouds that nearby towns miss. For hikers and residents planning outdoor time, the critical window arrives around 3 PM, when AccuWeather projects a 75% thunderstorm probability.

Current Temperature: 31°C · Precipitation Chance: 30% · Humidity: 60-95% · Wind: E 11 km/h · Forecast High: 34°C

The table below summarizes the key weather parameters for Bukit Timah at the time of this report.

Is there a chance of rain in Bukit Timah?

The short answer is yes, and it peaks sharply in the afternoon. According to AccuWeather’s hourly breakdown, the current hour shows only a 7% precipitation chance, but that number climbs steadily through the day. By 1 PM, the chance reaches 49%, and at 2 PM it jumps to 65% with thunderstorms likely. The most intense window arrives at 3 PM, when the model projects a 75% chance of thunderstorms and roughly 0.62 inches of rain (AccuWeather). Visibility can drop to just 1 mile during the heaviest bursts.

Current precipitation probability

WeatherBug reports partly cloudy conditions with a 65% overall chance of rain and thunderstorms and a high temperature around 86°F (30°C) (WeatherBug). The dew point sits at 77°F, and average humidity measures 78%, creating the moisture-laden air that fuels afternoon downpours.

Hourly rain outlook

Breaking down the afternoon window: noon shows 89°F with RealFeel at 104°F and only 8% rain chance, but conditions deteriorate rapidly. One PM brings 88°F with 49% precipitation risk, two PM spikes to 65% thunderstorms with traces of rain, and three PM maxes out the risk profile (AccuWeather). After the three o’clock peak, probabilities ease—four PM drops to 40%, five PM to 34%, and evening hours settle into the 20-29% range.

Rain impact on Bukit Timah Hill

The elevated terrain of Bukit Timah Hill can funnel local airflow in ways that concentrate rainfall. Official data from Weather.gov.sg shows the area currently cloudy, while nearby Bukit Merah reports showers—suggesting the hill’s crest may occasionally intercept clouds drifting from neighboring zones (Weather.gov.sg). Afternoon hikers should anticipate reduced visibility and slippery trails during the 3 PM storm window.

Bukit Timah Weather Today & Tomorrow

Today’s forecast combines official government nowcasts with commercial hourly models. The 2-hour official outlook from Weather.gov.sg, updated at 3:34 AM, classifies Bukit Timah as cloudy for the 3:30-5:30 AM window—a baseline of dry conditions before the daytime heating kicks in (Weather.gov.sg). Temperatures will climb from the morning low toward an afternoon peak.

Today’s conditions

• Temperature: 31°C current, reaching 34°C forecast high
• Conditions: Partly cloudy to cloudy, thundery showers developing afternoon
• RealFeel: 87°F (31°C) currently, peaking near 104°F (40°C) at noon
• Wind: Easterly at 11 km/h, shifting northerly during afternoon

Tomorrow’s forecast

Tomorrow follows a similar pattern, with thundery showers expected and light winds persisting. The high should hold around 31°C, with humidity remaining oppressive in the 70-85% range. The main difference: cloud cover may persist overnight, keeping minimum temperatures elevated.

Temperature and RealFeel details

AccuWeather’s RealFeel metric accounts for humidity, wind, and UV radiation. At noon, the actual temperature of 89°F (32°C) translates to an uncomfortable 104°F (40°C) RealFeel—classified as “very hot” (AccuWeather). Even at 5 PM, when the air temperature drops to 82°F, the RealFeel stays at 92°F (33°C) because humidity remains at 78%.

What this means: the gap between the actual thermometer reading and RealFeel can be 8-10°C by midday, making midday outdoor activity feel significantly more dangerous than the numbers suggest.

Is there a rainy season in Bukit Timah?

Singapore experiences two main monsoon seasons, and Bukit Timah follows the national pattern rather than developing its own microclimate extremes. The northeast monsoon, which runs from November through March, typically delivers the most consistent rainfall, while the inter-monsoon periods in April-May and October-November bring afternoon thunderstorms—exactly what today’s forecast shows (Weather.gov.sg).

Rainy season timeline

October functions as a transition month. The southwest monsoon winds down, and atmospheric instability increases, creating the thundery shower pattern visible in today’s hourly forecast. By November, the northeast monsoon takes over, bringing sustained rain periods rather than the hit-and-miss afternoon storms of October.

Typical rainfall patterns

During inter-monsoon months, Bukit Timah receives an average of 150-200mm monthly rainfall, with rain typically arriving in concentrated afternoon bursts lasting 30-90 minutes. The soil drains quickly given Singapore’s urban infrastructure, so flooding on trails tends to be short-lived.

Comparison to Singapore average

Regional nowcasts show uniform cloudy conditions across central Singapore this morning, while Bukit Merah—roughly 5 kilometers away—already reports showers (Weather.gov.sg). This illustrates how localized convection can create patchwork rain patterns even within short distances.

What this means: the October-to-November transition is the most volatile period, with the highest frequency of sudden afternoon downpours—making it the worst window for hill hiking without real-time monitoring.

7 Days Weather Forecast Bukit Timah

Extended forecasts for the week ahead show frequent rain patterns settling in. While pinpointing exact hourly conditions beyond 48 hours becomes unreliable, the model consensus points to recurring afternoon thunderstorms with temperatures holding in the 27-34°C range.

Day-by-day breakdown

• Today: Thundery showers developing afternoon, peak at 3 PM
• Tomorrow: Thundery showers continuing, light winds
• Day 3-4: Cloudy skies with scattered showers
• Day 5-7: Rain chances persisting, humidity 70-90%

Extended rain chances

AccuWeather’s 7-day outlook projects precipitation probability remaining elevated throughout the week, with afternoon peaks of 60-75% on most days. The overnight minimum stays warm at 25-27°C, reflecting persistent cloud cover trapping heat overnight.

Wind and humidity trends

Light winds dominate the forecast period, with speeds generally below 15 km/h. Humidity fluctuates between 60% and 95%, spiking during and after rainfall events. The combination creates the muggy conditions typical of Singapore’s inter-monsoon season.

Hourly Weather Forecast Bukit Timah Hill

For those ascending Bukit Timah Hill specifically, the microclimate can differ from street-level readings in the surrounding estate. The hill’s exposed granite bedrock absorbs and radiates heat differently than surrounding urban areas, and prevailing winds may channel differently through the ridge.

Morning to evening details

Sunrise occurs at 6:46 AM, with UV index reaching extreme levels of 11 by midday (WeatherBug). Early-morning hikers between 7 AM and 10 AM will encounter comfortable air temperatures but rapidly climbing UV exposure. Cloud cover at 87-100% will diffuse some radiation but won’t eliminate sunburn risk.

Night forecast

Evening conditions show temperatures declining to 79°F (26°C) by 10-11 PM, with precipitation probability dropping to 20% and humidity rising to 86-87% (AccuWeather). Cloud cover remains at 100%, trapping moisture and warmth overnight.

Air quality and wind

AccuWeather rates air quality as “poor” during multiple afternoon hours, with conditions improving to “fair” during morning and late evening periods. Wind gusts reach up to 12 mph during afternoon thunderstorm events, potentially affecting stability on exposed hill sections.

What this means: descending before 2 PM is the only reliable way to avoid the overlap of peak lightning probability and maximum hill exposure.

Summary

Bukit Timah’s weather today follows a classic Singapore inter-monsoon pattern: dry mornings giving way to increasingly likely afternoon thunderstorms, with the 3 PM window carrying the highest rain risk at 75% probability. Official data from Weather.gov.sg provides a reliable baseline for current conditions, while commercial hourly models fill in the precipitation timing details that government nowcasts don’t cover. Visitors who schedule outdoor activities before noon or after 6 PM get the best odds of staying dry—but even those windows carry extreme UV and high humidity that require active management.

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