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Current weather in San Luis is clear sky.

Where can I find the hourly weather forecast for San Luis?

This page shows hourly weather forecast for San Luis, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for San Luis updated regularly?

Weather data for San Luis is updated regularly with the latest available observations and forecasts.

Now · 5:57 AM

San Luis Weather & Hourly Forecast

United States · Arizona · 85349

84°F

Clear night

Feels like: 82°F

💧 Humidity 29% 🌡 Pressure 29.77 inHg 💨 Wind 10 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:15 AM 🌇 Sunset 7:00 PM

Hourly Forecast for San Luis

Today

6:00 AM

Clear night

84° 💧 None 💨 10 mph H 29%29.77 inHg

9:00 AM

Sunny

86° 💧 None 💨 9 mph H 25%29.80 inHg

12:00 PM

Sunny

98° 💧 None 💨 5 mph H 13%29.80 inHg

3:00 PM

Partly cloudy

101° 💧 None 💨 9 mph H 11%29.74 inHg

6:00 PM

Partly cloudy

99° 💧 None 💨 10 mph H 13%29.71 inHg

9:00 PM

Mostly clear night

89° 💧 None 💨 8 mph H 45%29.77 inHg

Tomorrow

12:00 AM

Clear night

84° 💧 None 💨 8 mph H 23%29.80 inHg

3:00 AM

Clear night

82° 💧 None 💨 9 mph H 19%29.80 inHg

6:00 AM

Overcast night

82° 💧 None 💨 7 mph H 20%29.80 inHg

9:00 AM

Overcast

93° 💧 None 💨 7 mph H 15%29.85 inHg

12:00 PM

Partly cloudy

98° 💧 None 💨 8 mph H 15%29.83 inHg

3:00 PM

Mostly cloudy

95° 💧 None 💨 15 mph H 25%29.80 inHg

6:00 PM

Overcast

87° 💧 None 💨 10 mph H 47%29.80 inHg

9:00 PM

Overcast night

86° 💧 None 💨 5 mph H 56%29.83 inHg

Sunday

12:00 AM

Mostly clear night

81° 💧 None 💨 3 mph H 57%29.80 inHg

3:00 AM

Mostly clear night

80° 💧 None 💨 3 mph H 56%29.77 inHg

Today

6:00 AM

Clear night

84° 💧 None 💨 10 mph H 29%29.77 inHg

7:00 AM

Sunny

83° 💧 None 💨 9 mph H 29%29.77 inHg

8:00 AM

Sunny

84° 💧 None 💨 11 mph H 27%29.77 inHg

9:00 AM

Sunny

86° 💧 None 💨 9 mph H 25%29.80 inHg

10:00 AM

Sunny

89° 💧 None 💨 5 mph H 25%29.80 inHg

11:00 AM

Sunny

96° 💧 None 💨 3 mph H 17%29.80 inHg

12:00 PM

Sunny

98° 💧 None 💨 5 mph H 13%29.80 inHg

1:00 PM

Sunny

99° 💧 None 💨 7 mph H 11%29.77 inHg

2:00 PM

Sunny

100° 💧 None 💨 8 mph H 11%29.74 inHg

3:00 PM

Partly cloudy

101° 💧 None 💨 9 mph H 11%29.74 inHg

4:00 PM

Partly cloudy

101° 💧 None 💨 10 mph H 11%29.71 inHg

5:00 PM

Partly cloudy

100° 💧 None 💨 9 mph H 12%29.71 inHg

6:00 PM

Partly cloudy

99° 💧 None 💨 10 mph H 13%29.71 inHg

7:00 PM

Mostly sunny

96° 💧 None 💨 17 mph H 26%29.71 inHg

8:00 PM

Mostly clear night

91° 💧 None 💨 15 mph H 40%29.74 inHg

9:00 PM

Mostly clear night

89° 💧 None 💨 8 mph H 45%29.77 inHg

10:00 PM

Clear night

87° 💧 None 💨 2 mph H 36%29.77 inHg

11:00 PM

Clear night

85° 💧 None 💨 6 mph H 28%29.77 inHg

Tomorrow

12:00 AM

Clear night

84° 💧 None 💨 8 mph H 23%29.80 inHg

1:00 AM

Clear night

81° 💧 None 💨 9 mph H 20%29.80 inHg

2:00 AM

Clear night

82° 💧 None 💨 9 mph H 19%29.80 inHg

3:00 AM

Clear night

82° 💧 None 💨 9 mph H 19%29.80 inHg

4:00 AM

Partly cloudy night

81° 💧 None 💨 8 mph H 19%29.80 inHg

5:00 AM

Partly cloudy night

82° 💧 None 💨 8 mph H 20%29.80 inHg

6:00 AM

Overcast night

82° 💧 None 💨 7 mph H 20%29.80 inHg

7:00 AM

Overcast

85° 💧 None 💨 6 mph H 20%29.83 inHg

8:00 AM

Overcast

90° 💧 None 💨 6 mph H 17%29.83 inHg

9:00 AM

Overcast

93° 💧 None 💨 7 mph H 15%29.85 inHg

10:00 AM

Mostly cloudy

95° 💧 None 💨 4 mph H 15%29.85 inHg

11:00 AM

Mostly cloudy

98° 💧 None 💨 5 mph H 16%29.85 inHg

12:00 PM

Partly cloudy

98° 💧 None 💨 8 mph H 15%29.83 inHg

1:00 PM

Mostly cloudy

99° 💧 None 💨 11 mph H 15%29.80 inHg

2:00 PM

Mostly cloudy

98° 💧 None 💨 14 mph H 15%29.80 inHg

3:00 PM

Mostly cloudy

95° 💧 None 💨 15 mph H 25%29.80 inHg

4:00 PM

Overcast

93° 💧 None 💨 20 mph H 30%29.80 inHg

5:00 PM

Mostly cloudy

90° 💧 None 💨 20 mph H 34%29.80 inHg

6:00 PM

Overcast

87° 💧 None 💨 10 mph H 47%29.80 inHg

7:00 PM

Overcast night

88° 💧 None 💨 8 mph H 52%29.80 inHg

8:00 PM

Overcast night

87° 💧 None 💨 8 mph H 55%29.80 inHg

9:00 PM

Overcast night

86° 💧 None 💨 5 mph H 56%29.83 inHg

10:00 PM

Overcast night

85° 💧 None 💨 6 mph H 57%29.83 inHg

11:00 PM

Overcast night

84° 💧 None 💨 5 mph H 56%29.80 inHg

Sunday

12:00 AM

Mostly clear night

81° 💧 None 💨 3 mph H 57%29.80 inHg

1:00 AM

Mostly clear night

81° 💧 None 💨 2 mph H 57%29.80 inHg

2:00 AM

Mostly clear night

81° 💧 None 💨 2 mph H 56%29.77 inHg

3:00 AM

Mostly clear night

80° 💧 None 💨 3 mph H 56%29.77 inHg

4:00 AM

Partly cloudy night

80° 💧 None 💨 4 mph H 55%29.77 inHg

5:00 AM

Partly cloudy night

80° 💧 None 💨 4 mph H 54%29.77 inHg

6:00 AM

Partly cloudy night

80° 💧 None 💨 5 mph H 55%29.80 inHg

7:00 AM

Partly cloudy

81° 💧 None 💨 4 mph H 52%29.83 inHg

8:00 AM

Mostly cloudy

85° 💧 None 💨 3 mph H 47%29.83 inHg

9:00 AM

Mostly cloudy

88° 💧 None 💨 3 mph H 42%29.83 inHg

10:00 AM

Mostly cloudy

91° 💧 None 💨 3 mph H 37%29.83 inHg

11:00 AM

Mostly cloudy

94° 💧 None 💨 4 mph H 33%29.83 inHg

12:00 PM

Overcast

97° 💧 None 💨 5 mph H 30%29.80 inHg

1:00 PM

Overcast

100° 💧 None 💨 7 mph H 27%29.77 inHg

2:00 PM

Overcast

101° 💧 None 💨 10 mph H 25%29.74 inHg

3:00 PM

Overcast

102° 💧 None 💨 12 mph H 24%29.74 inHg

4:00 PM

Overcast

102° 💧 None 💨 13 mph H 24%29.71 inHg

5:00 PM

Overcast

99° 💧 None 💨 22 mph H 25%29.71 inHg

6:00 PM

Light rain

94° 💧 0.00 in 💨 17 mph H 32%29.74 inHg

7:00 PM

Light rain

91° 💧 0.00 in 💨 14 mph H 36%29.74 inHg

8:00 PM

Light rain

88° 💧 0.01 in 💨 12 mph H 43%29.77 inHg

9:00 PM

Light rain

87° 💧 0.00 in 💨 11 mph H 44%29.77 inHg

10:00 PM

Light rain

85° 💧 0.01 in 💨 8 mph H 48%29.80 inHg

11:00 PM

Light rain

85° 💧 0.01 in 💨 6 mph H 46%29.80 inHg

Monday

12:00 AM

Light rain

86° 💧 0.01 in 💨 5 mph H 44%29.80 inHg

1:00 AM

Overcast night

87° 💧 None 💨 4 mph H 42%29.77 inHg

2:00 AM

Mostly cloudy night

86° 💧 None 💨 5 mph H 43%29.77 inHg

3:00 AM

Mostly cloudy night

85° 💧 None 💨 5 mph H 44%29.77 inHg

4:00 AM

Partly cloudy night

84° 💧 None 💨 6 mph H 44%29.77 inHg

5:00 AM

Partly cloudy night

84° 💧 None 💨 7 mph H 45%29.77 inHg

6:00 AM

Clear night

83° 💧 None 💨 5 mph H 46%29.80 inHg

7:00 AM

Mostly sunny

84° 💧 None 💨 5 mph H 44%29.80 inHg

8:00 AM

Mostly sunny

87° 💧 None 💨 5 mph H 39%29.83 inHg

9:00 AM

Mostly sunny

91° 💧 None 💨 6 mph H 35%29.83 inHg

10:00 AM

Mostly sunny

94° 💧 None 💨 6 mph H 31%29.83 inHg

11:00 AM

Mostly sunny

97° 💧 None 💨 7 mph H 27%29.80 inHg

12:00 PM

Sunny

100° 💧 None 💨 8 mph H 24%29.80 inHg

1:00 PM

Sunny

102° 💧 None 💨 9 mph H 23%29.77 inHg

2:00 PM

Sunny

103° 💧 None 💨 9 mph H 21%29.74 inHg

3:00 PM

Sunny

104° 💧 None 💨 9 mph H 20%29.71 inHg

4:00 PM

Sunny

105° 💧 None 💨 9 mph H 20%29.71 inHg

5:00 PM

Sunny

105° 💧 None 💨 10 mph H 20%29.68 inHg

6:00 PM

Sunny

104° 💧 None 💨 9 mph H 21%29.68 inHg

7:00 PM

Clear night

99° 💧 None 💨 5 mph H 24%29.68 inHg

8:00 PM

Clear night

98° 💧 None 💨 11 mph H 25%29.71 inHg

9:00 PM

Clear night

96° 💧 None 💨 19 mph H 27%29.74 inHg

10:00 PM

Clear night

94° 💧 None 💨 17 mph H 29%29.77 inHg

11:00 PM

Clear night

92° 💧 None 💨 13 mph H 31%29.77 inHg

Tuesday

12:00 AM

Clear night

91° 💧 None 💨 10 mph H 32%29.77 inHg

1:00 AM

Clear night

90° 💧 None 💨 9 mph H 33%29.80 inHg

2:00 AM

Clear night

88° 💧 None 💨 11 mph H 34%29.77 inHg

3:00 AM

Clear night

88° 💧 None 💨 12 mph H 34%29.77 inHg

4:00 AM

Clear night

87° 💧 None 💨 10 mph H 34%29.77 inHg

5:00 AM

Clear night

86° 💧 None 💨 9 mph H 35%29.77 inHg

In San Luis and, more broadly, across the state of Arizona: This evening, skies will feature a mix of sun and clouds, with temperatures remaining hot, ranging from 84 to 91 degrees Fahrenheit. Light east winds will blow at around 8 mph, with gusts reaching up to 9 mph. There is a possibility of rain during the next few hours, with an estimated accumulation of about 0.18 inches and a high probability of 95%. While the rain may be brief, residents should be prepared for brief periods of showers. Temperatures are expected to stay relatively steady through the evening, maintaining the warm conditions. Overall, it will be a warm night with a chance of scattered showers, so keeping an umbrella handy might be wise if you plan to be outdoors.

15-Day Weather Outlook for San Luis

TomorrowTomorrow

Partly cloudy 99°/81° 💧 None 💨 20 mph

Sunday, Sep 6Sun Sep 6

Light rain 102°/80° 💧 0.04 in 💨 22 mph

Monday, Sep 7Mon Sep 7

Light rain 105°/84° 💧 0.01 in 💨 13 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 108°/86° 💧 None 💨 13 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 103°/86° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 97°/83° 💧 0.54 in 💨 16 mph

Friday, Sep 11Fri Sep 11

Light rain 94°/86° 💧 0.10 in 💨 18 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 98°/84° 💧 None 💨 14 mph

Sunday, Sep 13Sun Sep 13

Sunny 101°/85° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Overcast 101°/88° 💧 None 💨 16 mph

Tuesday, Sep 15Tue Sep 15

Sunny 101°/86° 💧 None 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Light rain 99°/85° 💧 0.06 in 💨 17 mph

Thursday, Sep 17Thu Sep 17

Sunny 102°/85° 💧 None 💨 17 mph

Friday, Sep 18Fri Sep 18

Light rain 101°/88° 💧 0.07 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Light rain 98°/84° 💧 0.18 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in San Luis

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for San Luis

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 4,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 16,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 68,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in San Luis

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,6Very high 🙂Fair

Tomorrow UV 5,3Moderate 🙂Fair

Sunday UV 9,4Very high 🙂Fair

Monday UV 9,0Very high 🙂Fair

Tuesday UV 9,0Very high 😊Good

Wednesday UV 9,0Very high —Unavailable

Thursday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,2 8:00 AMUV 1,0 9:00 AMUV 2,7 10:00 AMUV 5,2 11:00 AMUV 7,7 12:00 PMUV 9,4 1:00 PMUV 9,6 2:00 PMUV 8,3 3:00 PMUV 6,1 4:00 PMUV 3,5 5:00 PMUV 1,4 6:00 PMUV 0,3

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for San Luis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.55 Population: 37,337

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for San Luis were last refreshed today at 5:57 AM. The current forecast period extends through 06/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.