GRAMODO
The latest forecast has just been updated

San Luis Weather forecast for tomorrow

United States Arizona 32.5°N · -114.8°E

Tomorrow weather outlook — San Luis

San Luis, Arizona, United States

Clear weather is expected tomorrow. Only a slight chance of precipitation is forecast for tomorrow, both during the day and at night. Temperatures will be high, ranging from 28°C (82°F) to 40°C (104°F).

Humidity tomorrow will be low, around 33%. A moderate wind is expected, reaching up to 24 km/h (15 mph). The UV index tomorrow will be very high, so sun protection is recommended. The sun will rise at 05:31 and set at 19:47. Daylight will last 14:16.

The water is expected to remain close to 27°C (81°F).

Tomorrow, 2026-06-14 Sunny
Sunny
34°
No precipitation expected tomorrow
Max / Min
40° / 27°
Wind
6.6 m/s SSE
Humidity
33%
Pressure
757 mmHg

Hourly forecast · San Luis

12 AM
Clear
31°
1 AM
Clear
30°
2 AM
Clear
29°
3 AM
Clear
28°
4 AM
Clear
28°
5 AM
Clear
28°
6 AM
Sunny
29°
7 AM
Sunny
30°
8 AM
Sunny
32°
9 AM
Sunny
34°
10 AM
Sunny
36°
11 AM
Sunny
37°
12 PM
Sunny
39°
1 PM
Sunny
39°
2 PM
Sunny
40°
3 PM
Sunny
40°
4 PM
Sunny
39°
5 PM
Sunny
39°
6 PM
Sunny
38°
7 PM
Sunny
36°
8 PM
Clear
34°
9 PM
Clear
33°
10 PM
Clear
32°
11 PM
Clear
32°

San Luis — tomorrow expected clear and dry, temperature from +28°C (+82°F) to +40°C (+104°F). Hot weather.

Visibility

10 km
Excellent

Visible to horizon — clean air

Water

23.7 °C
Comfortable

Pleasant for swimming

Air Quality

Open
Good

Air is clean — safe to walk and exercise outside

Main pollutant: PM2.5

PM2.5
14.1 µg/m³
PM10
49 µg/m³
O₃
67.5 µg/m³
NO₂
1.6 µg/m³
SO₂
0.9 µg/m³
CO
123 µg/m³

Pollen & allergens

Open
High level

Grass

Strong symptoms for most allergy sufferers. Limit walks, keep windows closed, use antihistamines.

Main allergen: Grass

Hazel 0 grains/m³
Alder 0 grains/m³
Birch 0 grains/m³
Oak 0 grains/m³
Mugwort 0 grains/m³
Ragweed 0 grains/m³

Sun & Moon

14h 16m Daylight
Sunrise 05:31 AM
Zenith 12:39 PM
Sunset 07:47 PM
15h 13m Moon above horizon
Moonrise 04:26 AM
Moonset 07:39 PM
Golden hour 05:31 AM – 06:07 AM · 07:11 PM – 07:47 PM
Blue hour 05:03 AM – 05:31 AM · 07:47 PM – 08:15 PM
Astronomical twilight 03:50 AM → 05:03 AM · 08:15 PM → 09:28 PM
Tomorrow New Moon · 0%
First Quarter 20 June

San Luis (United States). Interactive weather map for tomorrow with switchable layers: temperature, precipitation, wind, and pressure. Coordinates: 32.49°, -114.78°. Timezone: America/Phoenix.

Settlements within a 20 km radius