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

Now · 9:16 PM

Fairfax Weather & Hourly Forecast

United States · Missouri · 64446

61°F

Mostly clear night

Feels like: 60°F

💧 Humidity 88% 🌡 Pressure 30.21 inHg 💨 Wind 6 mph 👁 Visibility 17.0 mi ☁ Clouds 22% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:08 AM 🌇 Sunset 7:20 PM

Hourly Forecast for Fairfax

Today

10:00 PM

Clear night

60° 💧 None 💨 5 mph H 92%30.24 inHg

Tomorrow

1:00 AM

Partly cloudy night

59° 💧 None 💨 6 mph H 92%30.27 inHg

4:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 88%30.27 inHg

7:00 AM

Mostly clear night

57° 💧 None 💨 6 mph H 90%30.30 inHg

10:00 AM

Sunny

63° 💧 None 💨 7 mph H 76%30.33 inHg

1:00 PM

Mostly cloudy

69° 💧 None 💨 7 mph H 62%30.30 inHg

4:00 PM

Overcast

69° 💧 None 💨 8 mph H 62%30.24 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 71%30.24 inHg

10:00 PM

Partly cloudy night

60° 💧 None 💨 5 mph H 81%30.27 inHg

Thursday

1:00 AM

Clear night

59° 💧 None 💨 6 mph H 86%30.27 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 6 mph H 88%30.27 inHg

7:00 AM

Overcast night

56° 💧 None 💨 6 mph H 93%30.27 inHg

10:00 AM

Overcast

62° 💧 None 💨 7 mph H 83%30.27 inHg

1:00 PM

Overcast

70° 💧 None 💨 8 mph H 68%30.24 inHg

4:00 PM

Overcast

73° 💧 None 💨 8 mph H 62%30.18 inHg

7:00 PM

Overcast

69° 💧 None 💨 9 mph H 72%30.15 inHg

Today

10:00 PM

Clear night

60° 💧 None 💨 5 mph H 92%30.24 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 5 mph H 93%30.27 inHg

Tomorrow

12:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 93%30.27 inHg

1:00 AM

Partly cloudy night

59° 💧 None 💨 6 mph H 92%30.27 inHg

2:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 90%30.27 inHg

3:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 89%30.27 inHg

4:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 88%30.27 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 88%30.27 inHg

6:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 88%30.27 inHg

7:00 AM

Mostly clear night

57° 💧 None 💨 6 mph H 90%30.30 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 88%30.30 inHg

9:00 AM

Mostly sunny

60° 💧 None 💨 8 mph H 82%30.30 inHg

10:00 AM

Sunny

63° 💧 None 💨 7 mph H 76%30.33 inHg

11:00 AM

Sunny

65° 💧 None 💨 6 mph H 70%30.33 inHg

12:00 PM

Partly cloudy

68° 💧 None 💨 7 mph H 64%30.33 inHg

1:00 PM

Mostly cloudy

69° 💧 None 💨 7 mph H 62%30.30 inHg

2:00 PM

Overcast

69° 💧 None 💨 7 mph H 61%30.27 inHg

3:00 PM

Overcast

70° 💧 None 💨 7 mph H 61%30.27 inHg

4:00 PM

Overcast

69° 💧 None 💨 8 mph H 62%30.24 inHg

5:00 PM

Mostly cloudy

69° 💧 None 💨 8 mph H 62%30.24 inHg

6:00 PM

Mostly cloudy

68° 💧 None 💨 8 mph H 64%30.24 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 71%30.24 inHg

8:00 PM

Mostly cloudy night

63° 💧 None 💨 7 mph H 77%30.24 inHg

9:00 PM

Mostly cloudy night

62° 💧 None 💨 6 mph H 79%30.27 inHg

10:00 PM

Partly cloudy night

60° 💧 None 💨 5 mph H 81%30.27 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 6 mph H 82%30.27 inHg

Thursday

12:00 AM

Mostly clear night

59° 💧 None 💨 7 mph H 84%30.27 inHg

1:00 AM

Clear night

59° 💧 None 💨 6 mph H 86%30.27 inHg

2:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 87%30.27 inHg

3:00 AM

Partly cloudy night

58° 💧 None 💨 5 mph H 87%30.27 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 6 mph H 88%30.27 inHg

5:00 AM

Mostly cloudy night

57° 💧 None 💨 6 mph H 90%30.27 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 6 mph H 92%30.27 inHg

7:00 AM

Overcast night

56° 💧 None 💨 6 mph H 93%30.27 inHg

8:00 AM

Overcast

57° 💧 None 💨 7 mph H 92%30.27 inHg

9:00 AM

Overcast

60° 💧 None 💨 7 mph H 88%30.27 inHg

10:00 AM

Overcast

62° 💧 None 💨 7 mph H 83%30.27 inHg

11:00 AM

Overcast

65° 💧 None 💨 8 mph H 79%30.27 inHg

12:00 PM

Overcast

68° 💧 None 💨 7 mph H 72%30.27 inHg

1:00 PM

Overcast

70° 💧 None 💨 8 mph H 68%30.24 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 7 mph H 66%30.21 inHg

3:00 PM

Overcast

73° 💧 None 💨 8 mph H 62%30.18 inHg

4:00 PM

Overcast

73° 💧 None 💨 8 mph H 62%30.18 inHg

5:00 PM

Overcast

72° 💧 None 💨 8 mph H 64%30.18 inHg

6:00 PM

Overcast

71° 💧 None 💨 9 mph H 68%30.15 inHg

7:00 PM

Overcast

69° 💧 None 💨 9 mph H 72%30.15 inHg

8:00 PM

Overcast night

67° 💧 None 💨 9 mph H 75%30.18 inHg

9:00 PM

Overcast night

66° 💧 None 💨 11 mph H 76%30.18 inHg

10:00 PM

Overcast night

64° 💧 None 💨 10 mph H 78%30.18 inHg

11:00 PM

Mostly cloudy night

64° 💧 None 💨 10 mph H 79%30.18 inHg

Friday

12:00 AM

Overcast night

63° 💧 None 💨 10 mph H 80%30.18 inHg

1:00 AM

Overcast night

63° 💧 None 💨 8 mph H 80%30.18 inHg

2:00 AM

Mostly cloudy night

62° 💧 None 💨 8 mph H 81%30.18 inHg

3:00 AM

Mostly cloudy night

61° 💧 None 💨 9 mph H 83%30.15 inHg

4:00 AM

Overcast night

61° 💧 0.001 in 💨 8 mph H 85%30.15 inHg

5:00 AM

Light rain

60° 💧 0.014 in 💨 8 mph H 88%30.18 inHg

6:00 AM

Light rain

60° 💧 0.025 in 💨 9 mph H 92%30.18 inHg

7:00 AM

Light rain

60° 💧 0.082 in 💨 8 mph H 94%30.18 inHg

4:00 PM

Light rain

66° 💧 None 💨 9 mph H 97%30.09 inHg

7:00 PM

Light rain

65° 💧 None 💨 11 mph H 96%30.06 inHg

10:00 PM

Moderate rain

64° 💧 None 💨 12 mph H 95%30.03 inHg

Saturday

1:00 AM

Moderate rain

64° 💧 None 💨 10 mph H 95%30.03 inHg

4:00 AM

Overcast night

63° 💧 None 💨 12 mph H 94%29.97 inHg

7:00 AM

Mostly cloudy night

62° 💧 None 💨 11 mph H 93%29.97 inHg

10:00 AM

Light rain

69° 💧 None 💨 9 mph H 86%29.97 inHg

1:00 PM

Mostly cloudy

75° 💧 None 💨 15 mph H 69%29.94 inHg

4:00 PM

Overcast

78° 💧 None 💨 10 mph H 67%29.88 inHg

7:00 PM

Mostly cloudy

74° 💧 None 💨 8 mph H 81%29.88 inHg

10:00 PM

Clear night

69° 💧 None 💨 8 mph H 89%29.91 inHg

Sunday

1:00 AM

Clear night

67° 💧 None 💨 5 mph H 90%29.91 inHg

4:00 AM

Clear night

64° 💧 None 💨 3 mph H 91%29.88 inHg

7:00 AM

Clear night

62° 💧 None 💨 4 mph H 94%29.91 inHg

10:00 AM

Sunny

71° 💧 None 💨 3 mph H 80%29.94 inHg

1:00 PM

Sunny

78° 💧 None 💨 6 mph H 69%29.91 inHg

4:00 PM

Mostly sunny

81° 💧 None 💨 5 mph H 67%29.88 inHg

7:00 PM

Mostly sunny

75° 💧 None 💨 4 mph H 82%29.85 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 6 mph H 92%29.88 inHg

Monday

1:00 AM

Overcast night

68° 💧 None 💨 7 mph H 95%29.85 inHg

4:00 AM

Overcast night

66° 💧 None 💨 7 mph H 96%29.83 inHg

7:00 AM

Overcast night

65° 💧 None 💨 6 mph H 97%29.83 inHg

10:00 AM

Overcast

72° 💧 None 💨 7 mph H 85%29.80 inHg

1:00 PM

Overcast

81° 💧 None 💨 10 mph H 65%29.74 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 8 mph H 67%29.83 inHg

Tuesday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 8 mph H 76%29.71 inHg

7:00 AM

Overcast night

72° 💧 None 💨 9 mph H 76%29.68 inHg

1:00 PM

Moderate rain

68° 💧 None 💨 8 mph H 96%29.68 inHg

7:00 PM

Light rain

73° 💧 None 💨 6 mph H 88%29.62 inHg

Wednesday

1:00 AM

Mostly cloudy night

71° 💧 None 💨 13 mph H 78%29.65 inHg

7:00 AM

Overcast night

66° 💧 None 💨 13 mph H 82%29.74 inHg

1:00 PM

Mostly cloudy

62° 💧 None 💨 12 mph H 77%29.80 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 11 mph H 62%29.83 inHg

Thursday

1:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 72%29.77 inHg

7:00 AM

Clear night

58° 💧 None 💨 4 mph H 92%29.80 inHg

1:00 PM

Mostly sunny

53° 💧 None 💨 2 mph H 100%29.80 inHg

7:00 PM

Mostly sunny

70° 💧 None 💨 1 mph H 64%29.77 inHg

Friday

1:00 AM

Clear night

67° 💧 None 💨 1 mph H 79%29.74 inHg

7:00 AM

Overcast night

61° 💧 None 💨 4 mph H 93%29.83 inHg

1:00 PM

Mostly cloudy

58° 💧 None 💨 11 mph H 63%29.94 inHg

7:00 PM

Sunny

68° 💧 None 💨 11 mph H 42%29.91 inHg

Saturday

1:00 AM

Mostly clear night

64° 💧 None 💨 10 mph H 49%29.83 inHg

7:00 AM

Clear night

58° 💧 None 💨 12 mph H 55%29.83 inHg

1:00 PM

Overcast

57° 💧 None 💨 15 mph H 66%29.80 inHg

7:00 PM

Partly cloudy

66° 💧 None 💨 20 mph H 54%29.85 inHg

Sunday

1:00 AM

Clear night

61° 💧 None 💨 10 mph H 59%29.85 inHg

7:00 AM

Clear night

54° 💧 None 💨 9 mph H 71%29.94 inHg

1:00 PM

Sunny

49° 💧 None 💨 8 mph H 82%30.03 inHg

7:00 PM

Sunny

60° 💧 None 💨 7 mph H 57%30.03 inHg

Monday

1:00 AM

Clear night

57° 💧 None 💨 2 mph H 77%29.97 inHg

7:00 AM

Clear night

49° 💧 None 💨 4 mph H 89%30.03 inHg

1:00 PM

Sunny

47° 💧 None 💨 5 mph H 92%30.03 inHg

7:00 PM

Mostly clear night

65° 💧 None 💨 9 mph H 60%30.00 inHg

Tuesday

1:00 AM

Mostly cloudy night

63° 💧 None 💨 10 mph H 72%29.91 inHg

7:00 AM

Moderate rain

56° 💧 None 💨 14 mph H 93%29.91 inHg

1:00 PM

Overcast

57° 💧 None 💨 11 mph H 88%29.91 inHg

7:00 PM

Partly cloudy night

69° 💧 None 💨 10 mph H 66%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

66° 💧 None 💨 13 mph H 81%29.83 inHg

7:00 AM

Overcast night

62° 💧 None 💨 11 mph H 91%29.85 inHg

1:00 PM

Light rain

62° 💧 None 💨 14 mph H 82%29.85 inHg

In Fairfax and, more broadly, across the state of Missouri: This morning will start with mostly cloudy skies and mild temperatures around 67 degrees. Winds will be light from the northeast at up to 9 mph, with occasional gusts reaching 18 mph. As the day progresses, temperatures are expected to warm into the low 80s, reaching around 83. Rain may develop, with some areas experiencing about 0.08 inches of accumulation. The highest chance of rain is about 85%, so keep an umbrella handy if you're heading outdoors. Winds will remain light during the afternoon, continuing from the northeast at similar speeds. Overall, it looks like a warm, mostly cloudy day with a good likelihood of some rain, especially later in the day.

15-Day Weather Outlook for Fairfax

TomorrowTomorrow

Mostly sunny 70°/57° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 73°/56° 💧 None 💨 11 mph

Friday, Sep 25Fri Sep 25

Moderate rain 69°/60° 💧 0.760 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 80°/63° 💧 0.566 in 💨 13 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 83°/65° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 80°/65° 💧 None 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 73°/68° 💧 0.912 in 💨 13 mph

Wednesday, Sep 30Wed Sep 30

Overcast 68°/62° 💧 None 💨 13 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 70°/53° 💧 None 💨 4 mph

Friday, Oct 2Fri Oct 2

Overcast 68°/58° 💧 0.007 in 💨 11 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 66°/57° 💧 0.001 in 💨 20 mph

Sunday, Oct 4Sun Oct 4

Sunny 60°/49° 💧 None 💨 9 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 65°/47° 💧 None 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Moderate rain 69°/56° 💧 1.018 in 💨 14 mph

Wednesday, Oct 7Wed Oct 7

Light rain 62°/62° 💧 0.145 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fairfax

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Fairfax

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 PM

PM2.5 Fine particles Good 3,3µg/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 3,4µg/m³

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

O₃ Ozone Good 51,8µg/m³

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

NO₂ Nitrogen dioxide Good 2,7µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Fairfax

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 3,7Moderate 😊Good

Tomorrow UV 6,3High 🙂Fair

Thursday UV 2,6Low 🙂Fair

Friday UV 1,9Low 🙂Fair

Saturday UV 2,1Low 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Fairfax

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · FAIRFAX, MISSOURI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

87/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 8:50 PM–5:39 AM

☁ Cloud cover 16% 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 59° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min67%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Fairfax were last refreshed today at 9:16 PM. The current forecast period extends through 24/09/2026 at 7:00 PM. 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.