December 29th, 2025 Timelapse

On December 29th, the morning greeted observers with a blanket of low clouds, completely saturating the atmosphere with an impressive 100% cloud cover. Winds at the surface were minimal, averaging just 2.0 mph, which left the air feeling still and quiet. Aloft, at 100m, the winds picked up slightly to an average of 4.2 mph, indicating a gentle movement higher up in the atmosphere. This disparity in wind speeds created a subtle layering effect, as the low clouds clung to the earth while high clouds, comprising 97% of the total cloud cover, drifted slowly. The temperature hovered around a chilly 31.9°F, and despite the clouds’ thick presence, there was no precipitation noted, giving a serene yet muted start to the day.

As midday approached, the atmospheric dynamics began to evolve. The surface wind remained stable at 2.1 mph, barely stirring the low clouds that now made up 27.2% of the total cloud cover, while mid clouds increased to 6.8%. The high clouds, which still dominated with 92.5% cover, moved more rapidly compared to their low counterparts. The average temperature rose to a milder 38.9°F, reflecting a slight warming trend. However, the winds aloft at 100m slowed down to 3.3 mph during this period, resulting in a decrease in turbulence. This lack of conflict between the wind layers allowed the clouds to drift smoothly across the sky, creating a gentle, layered appearance as they shifted and transformed without any disruptive turbulence.

By the evening, the overall conditions retained their cloudy disposition, with a cloud cover that remained at around 94.7%. The surface winds continued to be gentle, now averaging just 1.4 mph, while winds at 100m increased slightly to 3.9 mph. The temperatures dipped to an average of 36.8°F, contributing to a cooler atmosphere as twilight approached. The low cloud cover diminished to only 7.0%, while the high clouds persisted, now comprising 93.3% of the sky. Despite the calming winds, a light wind shear was present as the higher winds conflicted mildly with the lower layers, adding a subtle texture to the cloud formations. The day concluded with a captivating display of layered clouds, their soft edges illuminated by the fading light, reflecting the stillness that had defined the day's weather.

December 29th, 2025 Timeline
Screenshots with weather data (wind layers, clouds, precipitation)
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 7:11 AM
7:11 AM
7:00 AM
100m
3 mph
10m
2 mph 8
84%
H 80%
M 0%
L 16%
40°F
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 7:15 AM
7:15 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 7:30 AM
7:30 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 7:45 AM
7:45 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 8:00 AM
8:00 AM
8:00 AM
100m
5 mph
10m
2 mph 5
100%
H 100%
M 0%
L 3%
36°F
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 8:15 AM
8:15 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 8:30 AM
8:30 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 8:45 AM
8:45 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 9:00 AM
9:00 AM
9:00 AM
100m
4 mph
10m
1 mph 3
100%
H 100%
M 10%
L 2%
34°F
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 9:15 AM
9:15 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 9:30 AM
9:30 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 9:45 AM
9:45 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 10:00 AM
10:00 AM
9:00 AM
100m
4 mph
10m
1 mph 3
100%
H 100%
M 10%
L 2%
34°F
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 10:15 AM
10:15 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 10:30 AM
10:30 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 10:45 AM
10:45 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 11:00 AM
11:00 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 11:15 AM
11:15 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 11:30 AM
11:30 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 11:45 AM
11:45 AM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 12:00 PM
12:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 12:15 PM
12:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 12:30 PM
12:30 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 12:45 PM
12:45 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 1:00 PM
1:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 1:15 PM
1:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 1:30 PM
1:30 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 1:45 PM
1:45 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 2:00 PM
2:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 2:15 PM
2:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 2:30 PM
2:30 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 2:45 PM
2:45 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 3:00 PM
3:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 3:15 PM
3:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 3:30 PM
3:30 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 3:45 PM
3:45 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 4:00 PM
4:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 4:15 PM
4:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 4:30 PM
4:30 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 4:45 PM
4:45 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 5:00 PM
5:00 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 5:15 PM
5:15 PM
Pacific Northwest skyline timelapse frame from Dec 29th, 2025 at 5:25 PM
5:25 PM
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39°-42°F
0.40"
Overcast
8 mph SSE
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100%
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Weather Info for December 29th, 2025
Overall
Heavily Overcast
Temperature
31° 41° (34° avg)
Clouds
Overcast 98%
Wind
3 mph E (gusts 9)
Daylight
(8h 40m)
Sunrise: 7:54 AM
Sunset: 4:34 PM
Sunshine
7h 3m (81% of daylight)
Weather Conditions
9:00 AM
Breezy Dry Overcast
12:00 PM
Breezy Dry Overcast
4:00 PM
Breezy Dry Overcast