Rise 05:52 Set 17:27Day 11 h 35 minUV 3 · Moderate
San Marcos 14-day forecast
Trend
Afternoon
Rain showers
28°23°
Feels like 35°
Wind↑ S 3 km/h
Humidity 59 %
💧 0.3 mm
Evening
Rain showers
25°20°
Feels like 34°
Wind↑ S 2 km/h
Humidity 77 %
💧 2.0 mm
12:00
28°
E 2
15:00
23°
0.3mm
S 3
Night
Rain showers
23°20°
Feels like 30°
Wind↑ NNW 4 km/h
Humidity 85 %
💧 0.9 mm
Morning
Mainly clear
25°22°
Feels like 31°
Wind↑ N 6 km/h
Humidity 68 %
Afternoon
Rain showers
29°26°
Feels like 37°
Wind↑ NE 4 km/h
Humidity 58 %
💧 0.2 mm
⚡ storm
Evening
Rain showers
25°21°
Feels like 34°
Wind↑ S 1 km/h
Humidity 81 %
💧 1.5 mm
Night
Rain showers
23°20°
Feels like 31°
Wind↑ N 4 km/h
Humidity 90 %
💧 0.5 mm
Morning
Light rain
22°19°
Feels like 30°
Wind↑ N 3 km/h
Humidity 89 %
💧 2.2 mm
Afternoon
Rain showers
28°21°
Feels like 37°
Wind↑ ENE 3 km/h
Gusts10 km/h
Humidity 67 %
💧 2.2 mm
Evening
Light rain
25°19°
Feels like 35°
Wind↑ ENE 4 km/h
Gusts13 km/h
Humidity 83 %
💧 2.5 mm
Night
Light rain
23°18°
Feels like 31°
Wind↑ N 6 km/h
Gusts16 km/h
Humidity 88 %
💧 6.1 mm
Morning
Rain
22°18°
Feels like 30°
Wind↑ NNW 5 km/h
Gusts21 km/h
Humidity 89 %
💧 10.1 mm
Afternoon
Rain
29°17°
Feels like 38°
Wind↑ NNE 6 km/h
Gusts16 km/h
Humidity 59 %
💧 8.1 mm
Evening
Overcast
27°18°
Feels like 36°
Wind↑ WNW 4 km/h
Humidity 78 %
💧 0.1 mm
Night
Drizzle
23°17°
Feels like 31°
Wind↑ NNW 6 km/h
Gusts13 km/h
Humidity 81 %
💧 1.6 mm
Morning
Rain showers
22°
Feels like 28°
Wind↑ NNW 7 km/h
Gusts13 km/h
Humidity 73 %
💧 0.9 mm
Afternoon
Mainly clear
31°27°
Feels like 38°
Wind↑ N 6 km/h
Gusts13 km/h
Humidity 52 %
Evening
Clear sky
27°20°
Feels like 37°
Wind↑ NNW 5 km/h
Humidity 73 %
💧 0.1 mm
Night
Mainly clear
23°17°
Feels like 31°
Wind↑ NNW 5 km/h
Humidity 79 %
Morning
Mainly clear
23°
Feels like 29°
Wind↑ NNW 9 km/h
Gusts15 km/h
Humidity 72 %
Afternoon
Mainly clear
31°28°
Feels like 40°
Wind↑ NNE 5 km/h
Humidity 53 %
Evening
Clear sky
27°20°
Feels like 37°
Wind↑ NW 4 km/h
Humidity 75 %
Night
Clear sky
24°17°
Feels like 32°
Wind↑ NNW 5 km/h
Humidity 82 %
Morning
Clear sky
24°23°
Feels like 29°
Wind↑ N 6 km/h
Humidity 68 %
Afternoon
Partly cloudy
31°28°
Feels like 40°
Wind↑ S 3 km/h
Humidity 58 %
Evening
Rain showers
27°20°
Feels like 37°
Wind↑ WSW 3 km/h
Humidity 80 %
💧 0.6 mm
Night
Rain showers
24°18°
Feels like 33°
Wind↑ NNW 4 km/h
Humidity 89 %
💧 0.5 mm
Morning
Mainly clear
24°23°
Feels like 30°
Wind↑ N 5 km/h
Humidity 71 %
💧 0.1 mm
Afternoon
Rain showers
31°26°
Feels like 40°
Wind↑ SSW 4 km/h
Humidity 57 %
💧 0.2 mm
⚡ storm
Evening
Rain showers
27°
Feels like 38°
Wind↑ SW 3 km/h
Humidity 81 %
💧 1.2 mm
⚡ storm
Morning
Mainly clear
23°
Feels like 31°
Wind↑ NNW 3 km/h
Humidity 89 %
Evening
Clear sky
27°
Feels like 37°
Wind↑ SW 1 km/h
Humidity 74 %
💧 0.1 mm
9-day outlook
Morning
Mainly clear
22°
Feels like 29°
Wind↑ NNW 6 km/h
Humidity 83 %
Evening
Mainly clear
27°
Feels like 35°
Wind↑ NNW 6 km/h
Humidity 68 %
💧 0.1 mm
10-day outlook
Morning
Clear sky
17°
Feels like 17°
Wind↑ NNW 4 km/h
Humidity 88 %
Evening
Rain showers
22°
Feels like 29°
Wind↑ S 5 km/h
Humidity 92 %
💧 0.4 mm
⚡ storm
11-day outlook
Morning
Mainly clear
19°
Feels like 19°
Wind↑ NNW 4 km/h
Humidity 98 %
💧 0.1 mm
Evening
Rain showers
21°
Feels like 28°
Wind↑ S 4 km/h
Humidity 96 %
💧 2.9 mm
⚡ storm
12-day outlook
Rain radar around San Marcos
Rain observed over the last two hours by official weather radars around San Marcos, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Air you breathe in San Marcos: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.510µg/m³
PM1010µg/m³
Copernicus CAMS model, updated several times a day.
San Marcos forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Moon over San Marcos
Waning crescent
12 % illuminated · 26.3 days
Rise 03:34 Set 15:37
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Thu12/118%
Fri13/1115%
Sat14/1123%
Sun15/1133%
Mon16/1143%
Tue17/1154%First quarter
Wed18/1164%
Moonrise and moonset in local time (America/El_Salvador); phase and lit fraction from a synodic calculation.
Heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest.
Look up a past day in San Marcos
Curious about the weather in San Marcos on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
San Marcos weather at a glance
This page gathers everything about the weather in San Marcos, San Salvador Department: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 28 °C (feels like 35 °C) and the wind blows at 2 km/h.
Expected range today: 18 °C to 28 °C and around 1 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for San Marcos.
Use the San Marcos forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.