Today
During the day mostly clear, up to +86°, at night around +77°. Wind up to 10 mph. Precipitation chance reaches 48%.
Weather in Guaynabo
Puerto Rico · Guaynabo Municipio · 18.3575, -66.1110
Today Now 2:19 AM
+77° Partly cloudy
Hourly forecast
Today10/16
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear: daytime +86°, nighttime +77° — almost like today.
Week
Seven days ahead fall within +75°…+86°. Warmest day — Fri, up to +86°. Coldest at night — Mon, +75°. The week promises to be dry. Sunshine expected on 6 of seven days.
Week vs norm
- Today 10/16 +86° +1° usually +85°
- Tomorrow 10/17 +86° +2° usually +84°
- Sun 10/18 +86° +2° usually +84°
- Mon 10/19 +86° +2° usually +84°
- Tue 10/20 +84° as usual usually +84°
- Wed 10/21 +86° +2° usually +84°
- Thu 10/22 +84° as usual usually +84°
- Fri 10/23 +79° −5° usually +84°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 16
Today is warmer than usual for this date.
- Heat record +90° 2023
- Cold record +73° 1999
- Most precipitation 1.2 in 2008
- Strongest gust 33 mph 2008
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Guaynabo
Today is close to the norm for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +80° / +72° | +76° | 1.9 |
| Feb | +81° / +72° | +76° | 1.6 |
| Mar | +82° / +73° | +77° | 2.0 |
| Apr | +83° / +74° | +78° | 3.7 |
| May | +84° / +76° | +79° | 5.4 |
| Jun | +86° / +77° | +81° | 3.4 |
| Jul | +86° / +78° | +81° | 3.6 |
| Aug | +86° / +78° | +82° | 4.3 |
| Sep | +86° / +77° | +81° | 6.2 |
| Oct | +85° / +76° | +80° | 5.7 |
| Nov | +82° / +75° | +78° | 4.6 |
| Dec | +80° / +73° | +76° | 2.2 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
6:18 AM | 6:01 PM
Moon
11:29 AM | 10:32 PM
Moon phase
Waxing crescent 31%
Next solar eclipse
Calculating for this city…