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Current Weather Conditions:
Niigata Airport, Japan

(RJSN) 37-57N 139-07E 4M

Conditions at

2025.12.30 1800 UTC
Wind from the S (170 degrees) at 3 MPH (3 KT)
Visibility 4 mile(s)
Sky conditions overcast
Weather Light rain, snow
Temperature 35 F (2 C)
Dew Point 35 F (2 C)
Relative Humidity 100%
Pressure (altimeter) 29.97 in. Hg (1015 hPa)
ob RJSN 301800Z AUTO 17003KT 8000 -RASN FEW007 BKN010 OVC011 02/02 Q1015

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 1 PM (18) Dec 30 35 (2) 35 (2) 29.97 (1015) S 3 light rain, snow
Noon (17) Dec 30 35 (2) 33 (1) 29.97 (1015) SSE 3
11 AM (16) Dec 30 35 (2) 33 (1) 29.97 (1015) Variable 2 light rain, snow
10 AM (15) Dec 30 37 (3) 35 (2) 29.97 (1015) SSE 5 light rain, snow
9 AM (14) Dec 30 37 (3) 35 (2) 30.00 (1016) Variable 3 rain, snow
8 AM (13) Dec 30 41 (5) 33 (1) 30.00 (1016) NE 7 light rain, snow
7 AM (12) Dec 30 42 (6) 33 (1) 30.00 (1016) NW 14 light rain showers
6 AM (11) Dec 30 44 (7) 33 (1) 30.00 (1016) NNW 16 light rain showers
5 AM (10) Dec 30 46 (8) 33 (1) 30.00 (1016) NW 17 light rain showers
4 AM (9) Dec 30 46 (8) 35 (2) 30.00 (1016) NW 17 light rain showers
3 AM (8) Dec 30 46 (8) 35 (2) 29.97 (1015) NW 18
2 AM (7) Dec 30 48 (9) 39 (4) 29.94 (1014) NW 17
1 AM (6) Dec 30 48 (9) 41 (5) 29.97 (1015) NW 9
Midnight (5) Dec 30 48 (9) 42 (6) 29.94 (1014) W 10
11 PM (4) Dec 29 48 (9) 42 (6) 29.94 (1014) WNW 12 light rain showers
10 PM (3) Dec 29 46 (8) 44 (7) 29.94 (1014) S 12
9 PM (2) Dec 29 44 (7) 42 (6) 29.97 (1015) S 8 light rain showers
8 PM (1) Dec 29 44 (7) 41 (5) 29.97 (1015) SSW 8 heavy rain showers; mist
7 PM (0) Dec 29 46 (8) 42 (6) 29.97 (1015) SW 7 light rain showers
6 PM (23) Dec 29 42 (6) 41 (5) 29.97 (1015) S 10 light rain with thunder
5 PM (22) Dec 29 42 (6) 39 (4) 29.94 (1014) SSW 15 light rain with thunder
4 PM (21) Dec 29 42 (6) 41 (5) 29.94 (1014) S 15 heavy rain with thunder; mist
3 PM (20) Dec 29 42 (6) 41 (5) 29.94 (1014) SSW 13 rain with thunder
Oldest 2 PM (19) Dec 29 42 (6) 41 (5) 29.91 (1013) S 13 light rain with thunder
Time
EST (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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