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Current weather in Fontenelle is clear sky.

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

Is the weather forecast for Fontenelle updated regularly?

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

Now · 5:06 AM

Fontenelle Weather & Hourly Forecast

United States · Wyoming · 83101

44°F

Clear night

Feels like: 41°F

💧 Humidity 90% 🌡 Pressure 30.06 inHg 💨 Wind 2 mph 👁 Visibility 23.1 mi ☁ Clouds 1% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:07 AM 🌇 Sunset 7:17 PM

Hourly Forecast for Fontenelle

Today

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 93%30.06 inHg

9:00 AM

Sunny

50° 💧 None 💨 3 mph H 80%30.12 inHg

12:00 PM

Partly cloudy

62° 💧 0.001 in 💨 7 mph H 50%30.09 inHg

3:00 PM

Sunny

66° 💧 0.001 in 💨 10 mph H 40%30.03 inHg

6:00 PM

Mostly sunny

65° 💧 None 💨 5 mph H 42%30.03 inHg

9:00 PM

Clear night

54° 💧 None 💨 3 mph H 74%30.09 inHg

Tomorrow

12:00 AM

Clear night

50° 💧 None 💨 7 mph H 83%30.15 inHg

3:00 AM

Clear night

47° 💧 None 💨 4 mph H 85%30.18 inHg

6:00 AM

Clear night

44° 💧 None 💨 5 mph H 90%30.21 inHg

9:00 AM

Sunny

49° 💧 None 💨 4 mph H 80%30.24 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 3 mph H 51%30.18 inHg

3:00 PM

Overcast

66° 💧 None 💨 3 mph H 41%30.09 inHg

6:00 PM

Overcast

65° 💧 None 💨 5 mph H 38%30.03 inHg

9:00 PM

Overcast night

56° 💧 None 💨 3 mph H 62%30.03 inHg

Friday

12:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 71%30.06 inHg

3:00 AM

Clear night

47° 💧 None 💨 5 mph H 84%30.03 inHg

Today

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 93%30.06 inHg

7:00 AM

Mostly clear night

42° 💧 None 💨 2 mph H 94%30.09 inHg

8:00 AM

Partly cloudy

45° 💧 None 💨 4 mph H 92%30.12 inHg

9:00 AM

Sunny

50° 💧 None 💨 3 mph H 80%30.12 inHg

10:00 AM

Sunny

55° 💧 None 💨 4 mph H 68%30.12 inHg

11:00 AM

Mostly sunny

59° 💧 None 💨 6 mph H 56%30.12 inHg

12:00 PM

Partly cloudy

62° 💧 0.000 in 💨 7 mph H 50%30.09 inHg

1:00 PM

Mostly sunny

64° 💧 0.001 in 💨 7 mph H 46%30.06 inHg

2:00 PM

Mostly sunny

65° 💧 0.000 in 💨 9 mph H 42%30.06 inHg

3:00 PM

Sunny

66° 💧 None 💨 10 mph H 40%30.03 inHg

4:00 PM

Sunny

67° 💧 0.001 in 💨 9 mph H 38%30.03 inHg

5:00 PM

Mostly sunny

66° 💧 None 💨 9 mph H 38%30.00 inHg

6:00 PM

Mostly sunny

65° 💧 None 💨 5 mph H 42%30.03 inHg

7:00 PM

Sunny

60° 💧 None 💨 2 mph H 60%30.03 inHg

8:00 PM

Clear night

56° 💧 None 💨 3 mph H 69%30.06 inHg

9:00 PM

Clear night

54° 💧 None 💨 3 mph H 74%30.09 inHg

10:00 PM

Clear night

52° 💧 None 💨 4 mph H 78%30.12 inHg

11:00 PM

Clear night

51° 💧 None 💨 5 mph H 81%30.15 inHg

Tomorrow

12:00 AM

Clear night

50° 💧 None 💨 7 mph H 83%30.15 inHg

1:00 AM

Clear night

49° 💧 None 💨 5 mph H 85%30.15 inHg

2:00 AM

Clear night

47° 💧 None 💨 5 mph H 85%30.15 inHg

3:00 AM

Clear night

47° 💧 None 💨 4 mph H 85%30.18 inHg

4:00 AM

Clear night

46° 💧 None 💨 4 mph H 86%30.18 inHg

5:00 AM

Clear night

45° 💧 None 💨 4 mph H 88%30.21 inHg

6:00 AM

Clear night

44° 💧 None 💨 5 mph H 90%30.21 inHg

7:00 AM

Clear night

43° 💧 None 💨 5 mph H 90%30.21 inHg

8:00 AM

Sunny

44° 💧 None 💨 6 mph H 88%30.24 inHg

9:00 AM

Sunny

49° 💧 None 💨 4 mph H 80%30.24 inHg

10:00 AM

Sunny

54° 💧 None 💨 4 mph H 68%30.24 inHg

11:00 AM

Sunny

58° 💧 None 💨 4 mph H 59%30.21 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 3 mph H 51%30.18 inHg

1:00 PM

Mostly cloudy

64° 💧 None 💨 3 mph H 47%30.15 inHg

2:00 PM

Overcast

65° 💧 None 💨 4 mph H 44%30.12 inHg

3:00 PM

Overcast

66° 💧 None 💨 3 mph H 41%30.09 inHg

4:00 PM

Overcast

66° 💧 None 💨 3 mph H 39%30.06 inHg

5:00 PM

Overcast

66° 💧 None 💨 5 mph H 36%30.03 inHg

6:00 PM

Overcast

65° 💧 None 💨 5 mph H 38%30.03 inHg

7:00 PM

Overcast

61° 💧 None 💨 5 mph H 54%30.03 inHg

8:00 PM

Overcast night

57° 💧 None 💨 4 mph H 60%30.03 inHg

9:00 PM

Overcast night

56° 💧 None 💨 3 mph H 62%30.03 inHg

10:00 PM

Overcast night

54° 💧 None 💨 4 mph H 67%30.06 inHg

11:00 PM

Overcast night

53° 💧 None 💨 3 mph H 70%30.06 inHg

Friday

12:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 71%30.06 inHg

1:00 AM

Mostly clear night

50° 💧 None 💨 5 mph H 76%30.06 inHg

2:00 AM

Clear night

49° 💧 None 💨 6 mph H 80%30.06 inHg

3:00 AM

Clear night

47° 💧 None 💨 5 mph H 84%30.03 inHg

4:00 AM

Clear night

46° 💧 None 💨 5 mph H 85%30.03 inHg

5:00 AM

Clear night

46° 💧 None 💨 5 mph H 85%30.03 inHg

6:00 AM

Clear night

45° 💧 None 💨 5 mph H 86%30.03 inHg

7:00 AM

Clear night

44° 💧 None 💨 4 mph H 88%30.03 inHg

8:00 AM

Sunny

46° 💧 None 💨 4 mph H 86%30.06 inHg

9:00 AM

Sunny

50° 💧 None 💨 3 mph H 76%30.06 inHg

10:00 AM

Sunny

55° 💧 None 💨 2 mph H 65%30.06 inHg

11:00 AM

Sunny

58° 💧 None 💨 0 mph H 60%30.03 inHg

12:00 PM

Sunny

62° 💧 None 💨 4 mph H 53%30.00 inHg

1:00 PM

Sunny

66° 💧 None 💨 6 mph H 44%29.94 inHg

2:00 PM

Sunny

69° 💧 0.001 in 💨 11 mph H 31%29.88 inHg

3:00 PM

Sunny

71° 💧 None 💨 16 mph H 25%29.85 inHg

4:00 PM

Sunny

70° 💧 None 💨 17 mph H 27%29.85 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 13 mph H 27%29.83 inHg

6:00 PM

Sunny

68° 💧 None 💨 9 mph H 32%29.83 inHg

9:00 PM

Clear night

57° 💧 None 💨 9 mph H 48%29.88 inHg

Saturday

12:00 AM

Mostly clear night

50° 💧 None 💨 5 mph H 69%29.91 inHg

3:00 AM

Mostly clear night

48° 💧 None 💨 1 mph H 70%29.94 inHg

6:00 AM

Clear night

44° 💧 None 💨 0 mph H 84%30.00 inHg

9:00 AM

Mostly sunny

50° 💧 None 💨 1 mph H 68%30.09 inHg

12:00 PM

Sunny

64° 💧 None 💨 2 mph H 45%30.00 inHg

3:00 PM

Mostly sunny

72° 💧 None 💨 15 mph H 25%29.91 inHg

6:00 PM

Sunny

69° 💧 None 💨 9 mph H 33%29.88 inHg

9:00 PM

Clear night

56° 💧 None 💨 7 mph H 57%29.94 inHg

Sunday

12:00 AM

Partly cloudy night

50° 💧 None 💨 4 mph H 72%30.00 inHg

3:00 AM

Mostly clear night

49° 💧 None 💨 3 mph H 75%30.00 inHg

6:00 AM

Mostly cloudy night

47° 💧 None 💨 3 mph H 79%30.03 inHg

9:00 AM

Partly cloudy

51° 💧 None 💨 1 mph H 72%30.03 inHg

12:00 PM

Partly cloudy

65° 💧 None 💨 5 mph H 44%29.97 inHg

3:00 PM

Mostly cloudy

72° 💧 None 💨 18 mph H 24%29.83 inHg

6:00 PM

Overcast

68° 💧 None 💨 11 mph H 29%29.80 inHg

9:00 PM

Partly cloudy night

59° 💧 None 💨 7 mph H 44%29.83 inHg

Monday

12:00 AM

Light rain

54° 💧 None 💨 18 mph H 63%29.88 inHg

3:00 AM

Light rain

50° 💧 None 💨 8 mph H 82%29.88 inHg

6:00 AM

Mostly cloudy night

47° 💧 None 💨 1 mph H 93%29.88 inHg

9:00 AM

Partly cloudy

50° 💧 None 💨 4 mph H 86%29.91 inHg

12:00 PM

Partly cloudy

59° 💧 None 💨 10 mph H 43%29.85 inHg

3:00 PM

Partly cloudy

60° 💧 None 💨 17 mph H 38%29.83 inHg

6:00 PM

Sunny

56° 💧 None 💨 15 mph H 39%29.85 inHg

Tuesday

12:00 AM

Overcast night

44° 💧 None 💨 5 mph H 71%30.03 inHg

6:00 AM

Clear night

38° 💧 None 💨 5 mph H 93%30.12 inHg

12:00 PM

Mostly sunny

52° 💧 None 💨 4 mph H 49%30.12 inHg

6:00 PM

Sunny

60° 💧 None 💨 12 mph H 31%29.94 inHg

Wednesday

12:00 AM

Mostly clear night

44° 💧 None 💨 5 mph H 68%29.94 inHg

6:00 AM

Clear night

40° 💧 None 💨 6 mph H 56%29.94 inHg

12:00 PM

Mostly cloudy

64° 💧 None 💨 17 mph H 22%29.91 inHg

6:00 PM

Partly cloudy

61° 💧 None 💨 17 mph H 24%29.94 inHg

Thursday

12:00 AM

Mostly clear night

46° 💧 None 💨 3 mph H 61%30.12 inHg

6:00 AM

Clear night

37° 💧 None 💨 4 mph H 85%30.18 inHg

12:00 PM

Sunny

55° 💧 None 💨 3 mph H 40%30.18 inHg

6:00 PM

Mostly sunny

64° 💧 None 💨 7 mph H 20%29.97 inHg

Friday

12:00 AM

Overcast night

48° 💧 None 💨 5 mph H 54%30.00 inHg

6:00 AM

Mostly cloudy night

42° 💧 None 💨 4 mph H 72%30.03 inHg

12:00 PM

Mostly cloudy

60° 💧 None 💨 4 mph H 31%30.00 inHg

6:00 PM

Mostly cloudy

69° 💧 None 💨 13 mph H 17%29.83 inHg

Saturday

12:00 AM

Clear night

50° 💧 None 💨 7 mph H 53%29.94 inHg

6:00 AM

Clear night

42° 💧 None 💨 5 mph H 69%30.06 inHg

12:00 PM

Partly cloudy

62° 💧 None 💨 2 mph H 29%30.09 inHg

6:00 PM

Mostly sunny

69° 💧 None 💨 14 mph H 15%29.97 inHg

Sunday

12:00 AM

Clear night

50° 💧 None 💨 5 mph H 45%30.06 inHg

6:00 AM

Partly cloudy night

43° 💧 None 💨 4 mph H 63%30.15 inHg

12:00 PM

Sunny

62° 💧 None 💨 1 mph H 21%30.15 inHg

6:00 PM

Sunny

73° 💧 None 💨 14 mph H 13%29.97 inHg

Monday

12:00 AM

Clear night

53° 💧 None 💨 5 mph H 41%30.06 inHg

6:00 AM

Clear night

45° 💧 None 💨 4 mph H 59%30.12 inHg

12:00 PM

Sunny

65° 💧 None 💨 1 mph H 22%30.12 inHg

6:00 PM

Sunny

76° 💧 None 💨 11 mph H 12%29.97 inHg

Tuesday

12:00 AM

Clear night

55° 💧 None 💨 3 mph H 37%30.12 inHg

6:00 AM

Clear night

45° 💧 None 💨 6 mph H 61%30.18 inHg

12:00 PM

Sunny

67° 💧 None 💨 2 mph H 25%30.18 inHg

6:00 PM

Sunny

75° 💧 None 💨 3 mph H 13%30.03 inHg

Wednesday

12:00 AM

Clear night

56° 💧 None 💨 8 mph H 40%30.15 inHg

6:00 AM

Clear night

46° 💧 None 💨 7 mph H 73%30.21 inHg

12:00 PM

Sunny

65° 💧 None 💨 1 mph H 32%30.15 inHg

6:00 PM

Sunny

77° 💧 None 💨 6 mph H 10%29.91 inHg

In Fontenelle and, more broadly, across the state of Wyoming: Clear skies are expected this evening with temperatures remaining cool, around 56 degrees Fahrenheit. Winds will be light, coming from the east at up to 1 mph, with occasional gusts reaching 2 mph. No precipitation is expected during the night, providing a calm and dry evening. Temperatures are likely to stay steady in the low 50s overnight, making for a comfortable but cool night. Overall, conditions will remain tranquil with clear skies and light breezes.

15-Day Weather Outlook for Fontenelle

TomorrowTomorrow

Mostly sunny 66°/43° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 71°/44° 💧 0.002 in 💨 17 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 72°/44° 💧 0.002 in 💨 15 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 72°/47° 💧 0.001 in 💨 18 mph

Monday, Sep 28Mon Sep 28

Light rain 60°/47° 💧 0.082 in 💨 18 mph

Tuesday, Sep 29Tue Sep 29

Overcast 60°/38° 💧 None 💨 12 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 64°/40° 💧 None 💨 17 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 64°/37° 💧 None 💨 7 mph

Friday, Oct 2Fri Oct 2

Overcast 69°/42° 💧 None 💨 13 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 69°/42° 💧 None 💨 14 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 73°/43° 💧 None 💨 14 mph

Monday, Oct 5Mon Oct 5

Sunny 76°/45° 💧 None 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Sunny 75°/45° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Sunny 77°/46° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fontenelle

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Fontenelle

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 1,1µg/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 Good 60,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 Fontenelle

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 6,4High 😊Good

Tomorrow UV 6,5High 🙂Fair

Friday UV 6,1High 🙂Fair

Saturday UV 6,1High 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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.

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 Fontenelle

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · FONTENELLE, WYOMING

Tonight's Stargazing & Shooting Stars

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

88/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 8:51 PM–5:35 AM

☁ Cloud cover 12% 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 58° 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.

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Forecast data for Fontenelle were last refreshed today at 5:06 AM. The current forecast period extends through 25/09/2026 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.