🇯🇲 Weather in Portmore
Map Overlays:
Hourly Forecast for Portmore
02:00
23°
9%
03:00
23°
10%
04:00
23°
10%
05:00
23°
29%
06:00
23°
31%
07:00
27°
23%
08:00
30°
4%
09:00
32°
2%
10:00
33°
2%
11:00
34°
2%
12:00
35°
1%
13:00
35°
1%
14:00
35°
1%
15:00
34°
1%
16:00
33°
1%
17:00
32°
2%
18:00
30°
2%
19:00
28°
4%
20:00
26°
6%
21:00
24°
8%
22:00
24°
9%
23:00
23°
11%
00:00
22°
12%
01:00
22°
13%
14-Day Forecast for Portmore
2026-07-10
Sunny
35° /
23°
2026-07-11
Sunny
34° /
22°
2026-07-12
Sunny
34° /
22°
2026-07-13
Sunny
35° /
22°
2026-07-14
Sunny
34° /
23°
2026-07-15
Sunny
34° /
22°
2026-07-16
Sunny
35° /
22°
Additional Forecasts for Portmore
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 396.0 μg/m³
O₃ (Ozone) 48.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.8 μg/m³
SO₂ (Sulphur Dioxide) 2.7 μg/m³
PM2.5 (Fine particles) 7.7 μg/m³
PM10 (Coarse particles) 13.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Jamaica
Weather in Portmore — FAQ
Answers refreshed each request based on current conditions in Portmore.
What is the weather like right now in Portmore?
Right now in Portmore, Jamaica the temperature is 30.3°C (feels like 38.0°C), with clear. Relative humidity is 66% and wind is 7.9 km/h.
What is today's high and low temperature in Portmore?
Today's forecast high in Portmore is 35.0°C and the overnight low is 22.8°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Portmore today?
The chance of precipitation in Portmore today is 17%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Portmore differ from nearby cities?
Even short distances can change temperatures noticeably. Portmore's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.