Junmachi Airport (GAJ) 15 Day Weather Forecast, Yamagata Japan

Current weather conditions and 15 day weather forecast for Junmachi Airport in Yamagata, Japan including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at GAJ

20 December 2025 Sat
5.2 ° C
( 41.4°F )

Partly cloudy
Partly cloudy
Feels Like : 4.4 ° C / 40°F
Humidity : % 87
Pressure : 1021 mb
Wind Speed : 4.7 kmph / 2.9 miles from SSWSSW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15-day weather forecast for Junmachi Airport, Yamagata, Japan

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
20 December 2025 Sat Sunny Sunny -3 ° C 10.1 ° C 3 ° C % 70 5.4 km/h 0%
21 December 2025 Sun Patchy rain nearby Patchy rain nearby 2.4 ° C 10.6 ° C 6 ° C % 87 17.6 km/h 89%
22 December 2025 Mon Light freezing rain Light freezing rain -3.1 ° C -1.2 ° C -1.1 ° C % 75 25.6 km/h 74%
23 December 2025 Tue Sunny Sunny -4.3 ° C 0.6 ° C -1.3 ° C % 76 9.4 km/h 0%
24 December 2025 Wed Moderate rain Moderate rain 0.2 ° C 6.3 ° C 3.8 ° C % 91 9.4 km/h 76%
25 December 2025 Thu Patchy rain nearby Patchy rain nearby -0.2 ° C 3 ° C 2.3 ° C % 85 17.3 km/h 83%
26 December 2025 Fri Sunny Sunny -2.3 ° C 3 ° C 0 ° C % 75 10.1 km/h 0%
27 December 2025 Sat Moderate rain Moderate rain -1.7 ° C 4.2 ° C 1.7 ° C % 88 6.8 km/h 79%
28 December 2025 Sun Light freezing rain Light freezing rain -0.4 ° C 1.7 ° C 1 ° C % 92 32.8 km/h 88%
29 December 2025 Mon Partly Cloudy  Partly Cloudy -2.2 ° C 2.2 ° C -0.4 ° C % 84 14 km/h 0%
30 December 2025 Tue Sunny Sunny -3.4 ° C 3.4 ° C 0.4 ° C % 88 7.6 km/h 0%
31 December 2025 Wed Patchy rain nearby Patchy rain nearby 0.9 ° C 3.3 ° C 1.9 ° C % 96 12.2 km/h 83%
01 January 2026 Thu Moderate or heavy snow showers Moderate or heavy snow showers -4.9 ° C 0.7 ° C -1.7 ° C % 76 23.8 km/h 78%
02 January 2026 Fri Moderate or heavy snow showers Moderate or heavy snow showers -3.5 ° C -0.2 ° C -2 ° C % 90 24.8 km/h 72%
Weather forecasts are usually fully updated every 3 hours.

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