Detailed weather forecast for Montego Bay, Jamaica: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Montego Bay
today🌧️31°💧 1.5 mm
Sun🌧️31°💧 2.7 mm
Mon🌧️30°💧 4.7 mm
Tue🌧️31°💧 5.9 mm
Wed🌧️30°💧 7.3 mm
Thu🌧️30°💧 3.3 mm
Fri🌧️30°💧 12.9 mm
Sat🌧️30°💧 5.9 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Monday 7 Sept in Montego Bay, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 30°C to 31°C, so it will be cooler than usual. It is cooler than 78% of similar days.
31°Cwarmer than usual
usually 30°C–31°C
warmer than 75% of similar days
night: near normalrain: less rain than usualwind: typical
31°Cnear normal
usually 30°C–31°C
night: warmer than usualrain: typical rainfallwind: typical
30°Ccooler than usual
usually 30°C–31°C
cooler than 78% of similar days
night: warmer than usualrain: typical rainfallwind: stronger than usual
31°Cwarmer than usual
usually 30°C–31°C
warmer than 77% of similar days
night: near normalrain: more rain than usualwind: stronger than usual
30°Cnear normal
usually 30°C–31°C
night: near normalrain: more rain than usualwind: stronger than usual
30°Ccooler than usual
usually 30°C–31°C
cooler than 74% of similar days
night: cooler than usualrain: typical rainfallwind: typical
30°Ccooler than usual
usually 30°C–31°C
cooler than 76% of similar days
night: near normalrain: exceptionally wetwind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 31°C by day. The coolest year was 1996 (30°C) and the warmest was 2015 (32°C). The current forecast averages 31°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Montego Bay
Montego Bay 30 & 45-day weather - long-range outlook
Next 15 days · forecast
31°
around 27° at night · days with rain: 15
Weeks 3-4 · avg for September
33°
around 25° at night · rain chance 53%
Weeks 5-7 · avg for October
32°
around 25° at night · rain chance 56%
The 30 & 45-day outlook for Montego Bay: the next 15 days are a numerical forecast updated daily - on average 31° by day and 27° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Montego Bay
Saturday5 September 2026
🌧️31°light rain
sunrise 05:58 · sunset 18:23 · night 27° · evening 29° · rain 1.54 mm · humidity 67% · wind 6 m/s · clouds 96%
Sunday6 September 2026
🌧️31°light rain
sunrise 05:58 · sunset 18:22 · night 28° · evening 29° · rain 2.73 mm · humidity 68% · wind 6 m/s · clouds 70%
Monday7 September 2026
🌧️30°moderate rain
sunrise 05:58 · sunset 18:21 · night 28° · evening 29° · rain 4.65 mm · humidity 73% · wind 7 m/s · clouds 8%
Tuesday8 September 2026
🌧️31°moderate rain
sunrise 05:58 · sunset 18:20 · night 28° · evening 28° · rain 5.9 mm · humidity 69% · wind 6 m/s · clouds 99%
Wednesday9 September 2026
🌧️30°moderate rain
sunrise 05:58 · sunset 18:19 · night 27° · evening 28° · rain 7.25 mm · humidity 73% · wind 7 m/s · clouds 30%
Thursday10 September 2026
🌧️30°light rain
sunrise 05:59 · sunset 18:18 · night 27° · evening 28° · rain 3.27 mm · humidity 70% · wind 6 m/s · clouds 51%
Friday11 September 2026
🌧️30°moderate rain
sunrise 05:59 · sunset 18:18 · night 27° · evening 28° · rain 12.93 mm · humidity 73% · wind 6 m/s · clouds 54%
Saturday12 September 2026
🌧️30°moderate rain
sunrise 05:59 · sunset 18:17 · night 27° · evening 28° · rain 5.94 mm · humidity 72% · wind 7 m/s · clouds 62%
Sunday13 September 2026
🌧️31°light rain
sunrise 05:59 · sunset 18:16 · night 26° · evening 28° · rain 4.29 mm · humidity 66% · wind 10 m/s · clouds 38%
Monday14 September 2026
🌧️31°light rain
sunrise 05:59 · sunset 18:15 · night 27° · evening 28° · rain 3.18 mm · humidity 68% · wind 10 m/s · clouds 43%
Tuesday15 September 2026
🌧️31°moderate rain
sunrise 05:59 · sunset 18:14 · night 27° · evening 28° · rain 10.77 mm · humidity 68% · wind 7 m/s · clouds 74%
Wednesday16 September 2026
🌧️31°moderate rain
sunrise 06:00 · sunset 18:13 · night 28° · evening 28° · rain 7.89 mm · humidity 69% · wind 7 m/s · clouds 93%
Thursday17 September 2026
🌧️31°moderate rain
sunrise 06:00 · sunset 18:12 · night 27° · evening 28° · rain 4.44 mm · humidity 68% · wind 7 m/s · clouds 71%
Friday18 September 2026
🌧️31°light rain
sunrise 06:00 · sunset 18:12 · night 28° · evening 29° · rain 3.12 mm · humidity 66% · wind 6 m/s · clouds 62%
Saturday19 September 2026
🌧️31°moderate rain
sunrise 06:00 · sunset 18:11 · night 27° · evening 28° · rain 7.41 mm · humidity 69% · wind 5 m/s · clouds 52%
UV index in Montego Bay - is it safe to sunbathe?
Today the UV index in Montego Bay is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.