Today
During the day rain, up to +54°, at night around +46°. Light wind, up to 8 mph. Precipitation chance reaches 100%.
Weather in Iiyama
Japan · Nagano · 36.8500, 138.3667
Today Now 4:56 PM
+54° Mostly cloudy
Hourly forecast
Today10/27
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow rain: daytime +45°, nighttime +37°, about 9° colder.
Week
This week temperatures range from +34° to +57°. Peak warmth: Fri, +57°. Nighttime weekly low: +34° (Thu). Rain on Tue, Wed, Sat, Mon, Tue.
Week vs norm
- Today 10/27 +54° −4° usually +58°
- Tomorrow 10/28 +45° −13° usually +58°
- Thu 10/29 +54° −4° usually +57°
- Fri 10/30 +57° as usual usually +57°
- Sat 10/31 +57° as usual usually +57°
- Sun 11/1 +50° −6° usually +56°
- Mon 11/2 +50° −6° usually +56°
- Tue 11/3 +48° −7° usually +55°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 27
Today is cooler than usual for this date.
- Heat record +69° 2015
- Cold record +29° 1993
- Most precipitation 2.6 in 1999
- Strongest gust 50 mph 1999
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Iiyama
Today is about 8° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +33° / +22° | +27° | 7.9 |
| Feb | +34° / +23° | +28° | 6.3 |
| Mar | +41° / +28° | +34° | 6.0 |
| Apr | +54° / +37° | +45° | 4.8 |
| May | +66° / +49° | +57° | 5.7 |
| Jun | +72° / +58° | +64° | 7.3 |
| Jul | +78° / +65° | +71° | 9.8 |
| Aug | +81° / +67° | +73° | 8.1 |
| Sep | +73° / +60° | +66° | 8.0 |
| Oct | +62° / +48° | +54° | 7.0 |
| Nov | +51° / +37° | +43° | 5.6 |
| Dec | +39° / +26° | +32° | 7.4 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
6:05 AM | 4:55 PM
Moon
5:14 PM | 7:08 AM
Moon phase
Waning gibbous 99%
Next solar eclipse
Calculating for this city…