Guaynabo Weather Forecast
- 72
- 84
Rain Showers
- 71
- 84
Rain Showers
- 71
- 83
Rain Showers
- 71
- 85
Rain Showers
- 73
- 86
Rain Showers
- 73
- 86
Rain Showers
Today 3 Apr San Juan and Vicinity
Variably cloudy with scattered Showers. Isolated Thunderstorms this afternoon. Highs around 85. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Tonight 3 Apr San Juan and Vicinity
Partly cloudy in the Evening, then becoming mostly cloudy. Numerous Showers. Lows around 80. East Winds 5 to 10 Mph. Chance of rain 60 percent.
Guaynabo Temperature Statistics
April Temperature
San Juan Fernando Luis Ribas Dominicci (6.8 miles)
Lowest 1 April, 2026
75.2 °FAverage April
79.9 °FHighest 1 April, 2026
82.4 °F
Climate (2021–Present)
San Juan Fernando Luis Ribas Dominicci (6.8 miles)
Average Low 2021–2026
77.6 °FAverage 2021–2026
82.5 °FAverage High 2021–2026
85.2 °F