FORECASTS / REPORTING / WORLD WEATHERIndependent editorial review · Asia/Tbilisi

San Juan Weather Now, Puerto Rico

Current model conditions, today's hourly weather and a seven-day forecast inSan Juan's local time.

Use Celsius

Local city time: · America/Puerto_Rico

Weather todayHourly forecastTomorrow's forecastNext 24 hours7-day forecastData sources
Current model estimate · 2026-10-21

San Juan temperature today

89.1°F

Partly cloudy · Feels like 96.4°F

Valid at
Modelled conditions, not a station observation.
Remaining sample high90.0°F
Remaining sample low77.9°F
Wind10.5 mph
Wind gustsNot available
Rain probabilityNot available
Precipitation amountNot available

Hourly forecast

Next available hours · America/Puerto_Rico. Repeated local hours include their timezone offset.

Temperature°F · America/Puerto_Rico
7379869221 Oct, 1322 Oct, 0422 Oct, 1923 Oct, 10
Precipitation amountin · America/Puerto_Rico
0.00.30.71.021 Oct, 1322 Oct, 0422 Oct, 1923 Oct, 10
View all 48 hourly values
46 available hourly values. Missing values are never replaced by zero.
City-local timeTemperatureRain chanceAmountWindGustsHumidity
89.1°FNot available0.01 in10.3 mphNot available57.1%
89.8°FNot available0.02 in9.4 mphNot available56.6%
87.8°FNot available0.01 in8.7 mphNot available61.2%
86.0°FNot available0.03 in6.9 mphNot available68%
83.1°FNot available0.00 in5.6 mphNot available75.5%
81.9°FNot available0.00 in3.8 mphNot available79.5%
80.8°FNot available0.00 in6.5 mphNot available84.5%
80.1°FNot available0.00 in6.3 mphNot available87.7%
79.5°FNot available0.00 in4.3 mphNot available90.7%
78.4°FNot available0.00 in4.0 mphNot available95.1%
77.9°FNot available0.00 in5.8 mphNot available94%
77.5°FNot available0.00 in5.4 mphNot available92.6%
77.9°FNot available0.00 in5.6 mphNot available87.9%
77.9°FNot available0.00 in6.3 mphNot available87%
77.7°FNot available0.00 in6.7 mphNot available87.2%
77.5°FNot available0.00 in6.9 mphNot available87.5%
77.5°FNot available0.00 in7.2 mphNot available87.9%
77.5°FNot available0.00 in7.2 mphNot available88.1%
78.3°FNot available0.00 in7.2 mphNot available86.7%
81.7°FNot available0.00 in6.3 mphNot available79.6%
84.4°FNot available0.00 in7.8 mphNot available72.7%
85.5°FNot available0.04 in7.4 mphNot available68.9%
85.1°FNot available0.02 in6.9 mphNot available69.1%
86.9°FNot available0.07 in7.8 mphNot available65.3%
80.2°FNot available0.11 in21.9 mphNot available79.7%
75.7°FNot available0.04 in8.7 mphNot available95%
77.0°FNot available0.01 in5.6 mphNot available92.5%
80.6°FNot available0.00 in5.6 mphNot available83.9%
81.1°FNot available0.00 in4.9 mphNot available83.6%
80.8°FNot available0.00 in4.7 mphNot available86.9%
80.6°FNot available0.00 in6.9 mphNot available88.7%
79.9°FNot available0.00 in4.3 mphNot available89.7%
79.0°FNot available0.00 in4.0 mphNot available91.5%
78.1°FNot available0.00 in3.6 mphNot available92.7%
77.4°FNot available0.00 in3.4 mphNot available93.9%
77.0°FNot available0.00 in3.8 mphNot available93.8%
76.6°FNot available0.00 in4.5 mphNot available94%
76.3°FNot available0.00 in4.0 mphNot available94.4%
76.3°FNot available0.00 in4.9 mphNot available94.2%
76.3°FNot available0.00 in5.1 mphNot available94.5%
76.5°FNot available0.00 in4.9 mphNot available94.8%
76.8°FNot available0.00 in5.1 mphNot available94.2%
77.4°FNot available0.00 in5.8 mphNot available92.7%
80.4°FNot available0.00 in6.5 mphNot available85.8%
83.3°FNot available0.00 in7.2 mphNot available78.8%
85.8°FNot available0.00 in7.6 mphNot available71.1%

These figures compare available forecast samples, not full-day extrema. Today's earlier hours are not included.

Tomorrow's forecast · 2026-10-22

Forecast high: 86.9°F · Forecast low: 75.7°F

Tomorrow's forecast high is 3.1°F lower than today's forecast high. This compares forecasts from one snapshot, not observed records.

Planning window

Next 24 hours at a glance

America/Puerto_Rico

Calculated from 24 validated hourly model values in this snapshot. These are forecast signals, not observations or weather warnings.

Temperature span77.5°F to 89.8°FLowest and highest hourly estimate
Largest hourly precipitation amount0.07 inModel hour 22 Oct 2026, 12:00 GMT-4
Strongest wind signal10.3 mphWind at 21 Oct 2026, 13:00 GMT-4
Humidity range56.6% to 95.1%Across available hourly values

7-day forecast

Ranges of available forecast samples by city-local day; today covers remaining hours. These are not official daily extrema. Missing totals and probabilities are not estimated.
Local dateLow / HighRain chanceAmountSunriseSunsetUV index
2026-10-21 · Today77.9°F / 90.0°FNot availableNot availableNot availableNot availableNot available
2026-10-22 · Tomorrow75.7°F / 86.9°FNot availableNot availableNot availableNot availableNot available
2026-10-2376.3°F / 90.0°FNot availableNot availableNot availableNot availableNot available
2026-10-2478.4°F / 89.2°FNot availableNot availableNot availableNot availableNot available
2026-10-2578.8°F / 91.4°FNot availableNot availableNot availableNot availableNot available
2026-10-2678.8°F / 89.6°FNot availableNot availableNot availableNot availableNot available
2026-10-2778.1°F / 91.2°FNot availableNot availableNot availableNot availableNot available

Daily low/high values are ranges of available forecast samples, not official daily extrema. Today covers the remaining forecast hours.

Missing precipitation probabilities and local-day totals are unavailable, never inferred from market prices.

Provider time is the product update timestamp, not the underlying model run.

Data sources & methodology

Weather data from MET Norway (CC BY 4.0). Wind units converted; local-day sampled temperature ranges calculated by this site.MET Norway · Data licence · Location: GeoNames

Product: MET Norway Locationforecast — global numerical model forecast. Provider model issue time: 21 Oct 2026, 09:19 GMT-4. Retrieved: .

Requested coordinates: 18.46633, -66.10572. Returned model grid: 18.4663, -66.1057. Forecasts can change; they are not official warnings. Warning feed: not connected.

How validation, units and delayed updates work →

Related reporting

No reviewed reporting for this city has been published yet.

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