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

Now · 9:29 AM

San Luis Weather & Hourly Forecast

United States · Colorado · 81152

55°F

Mostly sunny

Feels like: 50°F

💧 Humidity 50% 🌡 Pressure 30.18 inHg 💨 Wind 4 mph 👁 Visibility 33.7 mi ☁ Clouds 25% ☀️ UV index 1.5 · Low 🌅 Sunrise 6:48 AM 🌇 Sunset 7:00 PM

Hourly Forecast for San Luis

Today

10:00 AM

Partly cloudy

59° 💧 0.008 in 💨 5 mph H 46%30.18 inHg

1:00 PM

Light rain

65° 💧 0.023 in 💨 10 mph H 40%30.09 inHg

4:00 PM

Overcast

65° 💧 0.012 in 💨 12 mph H 36%30.00 inHg

7:00 PM

Overcast night

55° 💧 None 💨 10 mph H 64%30.12 inHg

10:00 PM

Mostly cloudy night

54° 💧 None 💨 6 mph H 65%30.18 inHg

Tomorrow

1:00 AM

Overcast night

50° 💧 0.001 in 💨 3 mph H 77%30.18 inHg

4:00 AM

Mostly cloudy night

48° 💧 0.004 in 💨 4 mph H 81%30.18 inHg

7:00 AM

Overcast

48° 💧 0.003 in 💨 5 mph H 83%30.18 inHg

10:00 AM

Overcast

56° 💧 0.008 in 💨 4 mph H 64%30.21 inHg

1:00 PM

Overcast

59° 💧 0.031 in 💨 7 mph H 57%30.15 inHg

4:00 PM

Light rain

55° 💧 0.031 in 💨 5 mph H 72%30.15 inHg

7:00 PM

Light rain

53° 💧 0.070 in 💨 3 mph H 86%30.15 inHg

10:00 PM

Light rain

51° 💧 0.193 in 💨 6 mph H 98%30.18 inHg

Thursday

1:00 AM

Light rain

50° 💧 0.247 in 💨 3 mph H 99%30.18 inHg

4:00 AM

Light rain

51° 💧 0.106 in 💨 6 mph H 94%30.09 inHg

7:00 AM

Overcast

49° 💧 0.004 in 💨 1 mph H 97%30.15 inHg

Today

10:00 AM

Partly cloudy

59° 💧 0.000 in 💨 5 mph H 46%30.18 inHg

11:00 AM

Mostly sunny

63° 💧 0.000 in 💨 8 mph H 40%30.12 inHg

12:00 PM

Light rain

64° 💧 0.008 in 💨 15 mph H 38%30.12 inHg

1:00 PM

Light rain

65° 💧 0.013 in 💨 10 mph H 40%30.09 inHg

2:00 PM

Light thunderstorms

65° 💧 0.006 in 💨 16 mph H 40%30.03 inHg

3:00 PM

Light rain

64° 💧 0.004 in 💨 11 mph H 40%30.03 inHg

4:00 PM

Overcast

65° 💧 0.000 in 💨 12 mph H 36%30.00 inHg

5:00 PM

Light rain

60° 💧 0.007 in 💨 16 mph H 50%30.06 inHg

6:00 PM

Light rain

57° 💧 0.005 in 💨 13 mph H 63%30.09 inHg

7:00 PM

Overcast night

55° 💧 None 💨 10 mph H 64%30.12 inHg

8:00 PM

Overcast night

55° 💧 None 💨 7 mph H 63%30.12 inHg

9:00 PM

Mostly cloudy night

55° 💧 None 💨 6 mph H 61%30.15 inHg

10:00 PM

Mostly cloudy night

54° 💧 None 💨 6 mph H 65%30.18 inHg

11:00 PM

Mostly cloudy night

53° 💧 None 💨 6 mph H 67%30.18 inHg

Tomorrow

12:00 AM

Overcast night

51° 💧 None 💨 4 mph H 74%30.18 inHg

1:00 AM

Overcast night

50° 💧 None 💨 3 mph H 77%30.18 inHg

2:00 AM

Mostly cloudy night

50° 💧 None 💨 4 mph H 79%30.18 inHg

3:00 AM

Mostly cloudy night

49° 💧 0.001 in 💨 4 mph H 81%30.18 inHg

4:00 AM

Mostly cloudy night

48° 💧 0.001 in 💨 4 mph H 81%30.18 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 4 mph H 83%30.18 inHg

6:00 AM

Mostly cloudy night

47° 💧 0.003 in 💨 4 mph H 84%30.18 inHg

7:00 AM

Overcast

48° 💧 0.001 in 💨 5 mph H 83%30.18 inHg

8:00 AM

Overcast

50° 💧 0.001 in 💨 5 mph H 78%30.21 inHg

9:00 AM

Overcast

53° 💧 0.001 in 💨 4 mph H 71%30.21 inHg

10:00 AM

Overcast

56° 💧 None 💨 4 mph H 64%30.21 inHg

11:00 AM

Light rain

57° 💧 0.007 in 💨 5 mph H 63%30.21 inHg

12:00 PM

Overcast

59° 💧 0.002 in 💨 5 mph H 57%30.18 inHg

1:00 PM

Overcast

59° 💧 0.001 in 💨 7 mph H 57%30.15 inHg

2:00 PM

Light rain

55° 💧 0.021 in 💨 7 mph H 73%30.15 inHg

3:00 PM

Light rain

56° 💧 0.010 in 💨 3 mph H 71%30.15 inHg

4:00 PM

Light rain

55° 💧 0.008 in 💨 5 mph H 72%30.15 inHg

5:00 PM

Light rain

54° 💧 0.016 in 💨 4 mph H 81%30.15 inHg

6:00 PM

Light rain

53° 💧 0.006 in 💨 4 mph H 82%30.15 inHg

7:00 PM

Light rain

53° 💧 0.008 in 💨 3 mph H 86%30.15 inHg

8:00 PM

Light rain

52° 💧 0.021 in 💨 4 mph H 94%30.18 inHg

9:00 PM

Light rain

51° 💧 0.041 in 💨 2 mph H 94%30.18 inHg

10:00 PM

Light rain

51° 💧 0.028 in 💨 6 mph H 98%30.18 inHg

11:00 PM

Light rain

51° 💧 0.083 in 💨 5 mph H 99%30.18 inHg

Thursday

12:00 AM

Light rain

50° 💧 0.082 in 💨 7 mph H 99%30.18 inHg

1:00 AM

Light rain

50° 💧 0.059 in 💨 3 mph H 99%30.18 inHg

2:00 AM

Moderate rain

50° 💧 0.111 in 💨 5 mph H 99%30.15 inHg

3:00 AM

Light rain

50° 💧 0.077 in 💨 2 mph H 98%30.15 inHg

4:00 AM

Light rain

51° 💧 0.075 in 💨 6 mph H 94%30.09 inHg

5:00 AM

Light rain

50° 💧 0.024 in 💨 2 mph H 95%30.12 inHg

6:00 AM

Light rain

49° 💧 0.007 in 💨 3 mph H 98%30.15 inHg

7:00 AM

Overcast

49° 💧 0.001 in 💨 1 mph H 97%30.15 inHg

8:00 AM

Overcast

51° 💧 0.001 in 💨 1 mph H 94%30.15 inHg

9:00 AM

Overcast

52° 💧 0.001 in 💨 2 mph H 90%30.18 inHg

10:00 AM

Overcast

54° 💧 0.001 in 💨 2 mph H 84%30.18 inHg

11:00 AM

Light rain

56° 💧 0.007 in 💨 5 mph H 76%30.15 inHg

12:00 PM

Light rain

57° 💧 0.010 in 💨 6 mph H 75%30.15 inHg

1:00 PM

Light thunderstorms

56° 💧 0.027 in 💨 7 mph H 81%30.12 inHg

2:00 PM

Light thunderstorms

57° 💧 0.050 in 💨 5 mph H 74%30.12 inHg

3:00 PM

Light rain

61° 💧 0.010 in 💨 7 mph H 65%30.06 inHg

4:00 PM

Light rain

61° 💧 0.005 in 💨 9 mph H 61%30.03 inHg

5:00 PM

Mostly cloudy

60° 💧 0.001 in 💨 9 mph H 63%30.03 inHg

6:00 PM

Partly cloudy

59° 💧 None 💨 5 mph H 66%30.03 inHg

Friday

3:00 AM

Overcast night

49° 💧 None 💨 5 mph H 92%30.15 inHg

6:00 AM

Partly cloudy night

49° 💧 None 💨 7 mph H 92%30.15 inHg

9:00 AM

Partly cloudy

55° 💧 None 💨 8 mph H 79%30.15 inHg

12:00 PM

Partly cloudy

63° 💧 None 💨 9 mph H 63%30.09 inHg

3:00 PM

Mostly sunny

61° 💧 None 💨 6 mph H 66%30.03 inHg

6:00 PM

Light rain

61° 💧 None 💨 6 mph H 56%30.00 inHg

9:00 PM

Clear night

52° 💧 None 💨 7 mph H 82%30.09 inHg

Saturday

12:00 AM

Clear night

48° 💧 None 💨 4 mph H 82%30.09 inHg

3:00 AM

Clear night

46° 💧 None 💨 4 mph H 82%30.12 inHg

6:00 AM

Clear night

45° 💧 None 💨 3 mph H 81%30.15 inHg

9:00 AM

Sunny

52° 💧 None 💨 3 mph H 72%30.18 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 2 mph H 56%30.12 inHg

3:00 PM

Mostly sunny

68° 💧 None 💨 2 mph H 39%30.00 inHg

6:00 PM

Mostly sunny

67° 💧 None 💨 2 mph H 40%29.97 inHg

9:00 PM

Partly cloudy night

54° 💧 None 💨 4 mph H 59%30.03 inHg

Sunday

12:00 AM

Mostly cloudy night

51° 💧 None 💨 5 mph H 67%30.12 inHg

3:00 AM

Overcast night

49° 💧 None 💨 3 mph H 70%30.12 inHg

6:00 AM

Mostly clear night

47° 💧 None 💨 1 mph H 66%30.15 inHg

9:00 AM

Partly cloudy

57° 💧 None 💨 5 mph H 51%30.15 inHg

12:00 PM

Partly cloudy

65° 💧 None 💨 3 mph H 47%30.09 inHg

3:00 PM

Mostly cloudy

70° 💧 None 💨 3 mph H 34%29.97 inHg

6:00 PM

Partly cloudy

67° 💧 None 💨 6 mph H 40%29.91 inHg

9:00 PM

Mostly clear night

55° 💧 None 💨 5 mph H 60%29.94 inHg

Monday

12:00 AM

Partly cloudy night

52° 💧 None 💨 7 mph H 66%29.97 inHg

6:00 AM

Overcast night

52° 💧 None 💨 6 mph H 60%30.00 inHg

12:00 PM

Overcast

50° 💧 None 💨 2 mph H 61%30.00 inHg

6:00 PM

Mostly cloudy

62° 💧 None 💨 8 mph H 45%29.97 inHg

Tuesday

12:00 AM

Partly cloudy night

62° 💧 None 💨 14 mph H 53%29.80 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 8 mph H 86%29.85 inHg

12:00 PM

Sunny

47° 💧 None 💨 11 mph H 90%29.83 inHg

6:00 PM

Partly cloudy

57° 💧 None 💨 5 mph H 54%29.83 inHg

Wednesday

12:00 AM

Light rain

53° 💧 None 💨 12 mph H 60%29.85 inHg

6:00 AM

Mostly clear night

46° 💧 None 💨 2 mph H 83%29.94 inHg

12:00 PM

Mostly sunny

42° 💧 None 💨 1 mph H 88%30.00 inHg

6:00 PM

Mostly sunny

59° 💧 None 💨 5 mph H 49%29.97 inHg

Thursday

12:00 AM

Clear night

62° 💧 None 💨 9 mph H 43%29.85 inHg

6:00 AM

Clear night

48° 💧 None 💨 4 mph H 63%29.91 inHg

12:00 PM

Partly cloudy

45° 💧 None 💨 1 mph H 61%29.97 inHg

6:00 PM

Sunny

64° 💧 None 💨 6 mph H 44%29.94 inHg

Friday

12:00 AM

Clear night

69° 💧 None 💨 8 mph H 23%29.80 inHg

6:00 AM

Clear night

52° 💧 None 💨 6 mph H 56%29.97 inHg

12:00 PM

Sunny

45° 💧 None 💨 2 mph H 47%29.97 inHg

6:00 PM

Sunny

68° 💧 None 💨 6 mph H 29%29.91 inHg

Saturday

12:00 AM

Clear night

70° 💧 None 💨 15 mph H 30%29.77 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 4 mph H 60%29.88 inHg

12:00 PM

Partly cloudy

50° 💧 None 💨 7 mph H 76%29.91 inHg

6:00 PM

Overcast

67° 💧 None 💨 10 mph H 37%29.91 inHg

Sunday

12:00 AM

Partly cloudy night

66° 💧 None 💨 5 mph H 32%29.83 inHg

6:00 AM

Light rain

50° 💧 None 💨 7 mph H 86%30.06 inHg

12:00 PM

Mostly cloudy

44° 💧 None 💨 10 mph H 83%30.15 inHg

6:00 PM

Moderate rain

49° 💧 None 💨 10 mph H 68%30.21 inHg

Monday

12:00 AM

Mostly cloudy night

49° 💧 None 💨 12 mph H 64%30.15 inHg

6:00 AM

Overcast night

44° 💧 None 💨 1 mph H 82%30.21 inHg

12:00 PM

Sunny

40° 💧 None 💨 1 mph H 90%30.24 inHg

6:00 PM

Mostly sunny

55° 💧 None 💨 2 mph H 57%30.21 inHg

Tuesday

12:00 AM

Clear night

59° 💧 None 💨 2 mph H 53%30.06 inHg

6:00 AM

Clear night

46° 💧 None 💨 2 mph H 69%30.18 inHg

12:00 PM

Sunny

42° 💧 None 💨 0 mph H 72%30.30 inHg

6:00 PM

Sunny

61° 💧 None 💨 6 mph H 48%30.27 inHg

Wednesday

12:00 AM

Clear night

61° 💧 None 💨 4 mph H 46%30.18 inHg

In San Luis and, more broadly, across the state of Colorado: Clear skies will persist through the evening, with temperatures remaining cool, around 60 degrees Fahrenheit. Winds will be light, coming from the northwest at up to 2 mph, with occasional gusts reaching 6 mph. No precipitation is expected tonight, providing a calm and dry night ahead. Temperatures are likely to stay steady, making for a comfortable evening. Be sure to dress appropriately for the cooler conditions if heading outside. The light breeze will add a slight chill, but overall, conditions will be stable and clear into the early morning hours.

15-Day Weather Outlook for San Luis

TomorrowTomorrow

Overcast 59°/47° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Light thunderstorms 61°/49° 💧 0.637 in 💨 10 mph

Friday, Sep 25Fri Sep 25

Heavy rain 62°/49° 💧 0.246 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 67°/44° 💧 None 💨 5 mph

Sunday, Sep 27Sun Sep 27

Overcast 70°/49° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 62°/50° 💧 0.006 in 💨 14 mph

Tuesday, Sep 29Tue Sep 29

Light rain 57°/47° 💧 0.081 in 💨 12 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 62°/42° 💧 0.004 in 💨 9 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 69°/45° 💧 None 💨 8 mph

Friday, Oct 2Fri Oct 2

Sunny 70°/45° 💧 None 💨 15 mph

Saturday, Oct 3Sat Oct 3

Overcast 67°/50° 💧 0.022 in 💨 10 mph

Sunday, Oct 4Sun Oct 4

Moderate rain 50°/44° 💧 0.501 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Overcast 59°/40° 💧 0.002 in 💨 2 mph

Tuesday, Oct 6Tue Oct 6

Sunny 61°/42° 💧 None 💨 6 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 10:00 AM

PM2.5 Fine particles Good 1,0µg/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 2,4µg/m³

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

O₃ Ozone Fair 66,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 6,7High 🙂Fair

Tomorrow UV 1,2Low 😊Good

Thursday UV 8,2Very high 😊Good

Friday UV 6,6High 🙂Fair

Saturday UV 6,0High 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 3,0Moderate —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for San Luis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAN LUIS, COLORADO

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

55/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:25 PM–5:23 AM

☁ Cloud cover 62% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 66° high at the best hour.

✦ Estimated visible meteors 1–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min52%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for San Luis were last refreshed today at 9:15 AM. The current forecast period extends through 24/09/2026 at 7:00 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.