How does NOAA issue severe storm watches for Guaynabo?

The National Weather Service (NWS) monitors atmospheric instability across Puerto Rico. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Guaynabo today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

PR, USAZIP 00969Live NOAA Station

Guaynabo, PR

Q: What is the current temperature and forecast in Guaynabo, Puerto Rico?

The current weather in Guaynabo is around 88°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Clear sky•Ressenti 97°F+5° heat index

91°F/77°F

5 mph 85°

62%Humidité

88°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Mis à jour: 06:00 AM (America/Puerto_Rico)

Daily Meteorological Briefing

Guaynabo, PR

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Guaynabo, PR today.

Current temperature is 88°F (feels like 97°F), with daytime highs reaching 91°F and overnight lows around 77°F. Humidity is at 62%, with atmospheric pressure steady at 1015.3 hPa.

Sun protection is recommended with UV reaching 6.3. Wear SPF and sunglasses during midday hours.

Daily Range

Δ 8° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 6.3 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Prévisions heure par heure

Next 16 Hours

Now

80°F

1 AM

79°F

2 AM

78°F

3 AM

78°F

4 AM

78°F

5 AM

77°F

6 AM

77°F

7 AM

78°F

8 AM

82°F

9 AM

85°F

10 AM

88°F

10%

11 AM

89°F

20%

12 PM

90°F

38%

1 PM

90°F

60%

2 PM

91°F

76%

3 PM

90°F

85%

Prévisions sur 10 jours

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 23

88%

77°F

91°F

Thu

Sep 24

83%

76°F

91°F

Fri

Sep 25

49%

76°F

92°F

Sat

Sep 26

41%

77°F

93°F

Sun

Sep 27

73%

76°F

92°F

Mon

Sep 28

62%

75°F

91°F

Tue

Sep 29

66%

79°F

89°F

Wed

Sep 30

79%

80°F

91°F

Thu

Oct 1

75%

79°F

89°F

Fri

Oct 2

86%

78°F

91°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Indice UVHigh

6.3 / 11+

Protection requiredPeak 8.65

Vent85°

5 mph

Wind Gusts:13 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise06:13 AM

Sunset06:19 PM

Solar Noon:12:54 PM

HumiditéHumid

62%

Point de rosée:73°F

PressionSteady

29.98 inHg

Trend:Stable (+0.1 hPa)

VisibilitéClear

9.1 mi

Haze:Minimal

Air Quality Index (AQI)Good

13US EPA Standard

Air quality is ideal for outdoor activities.

PM2.53 µg

OZONE35 µg

PM105 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsCaution

Extreme temperatures. Indoor exercise recommended.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:13 AM

Daylight ~13h

Sunset02:19 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

87% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~4 daysTidal Currents Normal

Questions fréquentes sur la météo - Guaynabo, Puerto Rico

The current weather in Guaynabo is around 88°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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