Weather in San Juan

Costa Rica · Provincia de Alajuela · 10.1025, -84.3169

Today Now 2:28 PM

+75° Mostly cloudy

Hourly forecast

Today10/28 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — San Juan

Forecast in words

Today

Partly cloudy throughout the day, high +75°, low +64°. Wind up to 3 mph. Chance of precipitation up to 62%.

Tomorrow

Tomorrow partly cloudy: daytime +79°, nighttime +63° — 4° warmer than today.

Week

During the week the thermometer stays between +61°…+79°. Peak warmth: Thu, +79°. Coldest at night — Tue, +61°. Precipitation expected: Sat, Sun, Mon, Tue, Wed.

Week vs norm

  1. Today 10/28 +75° +2° usually +74°
  2. Tomorrow 10/29 +79° +5° usually +74°
  3. Fri 10/30 +77° +3° usually +74°
  4. Sat 10/31 +77° +3° usually +74°
  5. Sun 11/1 +73° as usual usually +74°
  6. Mon 11/2 +73° as usual usually +74°
  7. Tue 11/3 +73° as usual usually +74°
  8. Wed 11/4 +73° as usual usually +73°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 28

Today is cooler than usual for this date.

  • Heat record +79° 2006
  • Cold record +61° 1999
  • Most precipitation 4.3 in 1995
  • Strongest gust 28 mph 1997

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in San Juan

Today is close to the norm for October.

Climate normals by month, San Juan
Month Daytime / Nighttime Average Precipitation in
Jan +74° / +60° +66° 2.9
Feb +76° / +60° +67° 1.9
Mar +78° / +61° +68° 1.9
Apr +78° / +62° +69° 3.3
May +76° / +63° +68° 12.5
Jun +75° / +63° +68° 14.7
Jul +74° / +63° +67° 10.7
Aug +75° / +62° +67° 12.9
Sep +75° / +62° +67° 15.1
Oct +74° / +62° +67° 16.5
Nov +73° / +61° +66° 11.1
Dec +74° / +60° +66° 5.1

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 5:27 AM | 5:14 PM
Moon 7:39 PM | 7:50 AM
Moon phase Waning gibbous 91%
Next solar eclipse
Calculating for this city…

Weather in the region