Today
Expect mostly clear. Daytime high +75°, overnight low +63°. Light wind, up to 6 mph. No rain expected.
Weather in Koshigaya
Japan · Saitama · 35.8904, 139.7892
Today Now 8:48 AM
+68° Mostly clear
Hourly forecast
Today10/17
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear, high +73°, low +55°, weather holds steady.
Week
During the week the thermometer stays between +55°…+84°. Peak warmth: Wed, +84°. Coldest night — Sun, around +55°. The week promises to be dry. Sunshine expected on 4 of seven days.
Week vs norm
- Today 10/17 +75° +6° usually +69°
- Tomorrow 10/18 +73° +4° usually +69°
- Mon 10/19 +79° +10° usually +69°
- Tue 10/20 +79° +10° usually +68°
- Wed 10/21 +84° +16° usually +68°
- Thu 10/22 +75° +7° usually +68°
- Fri 10/23 +72° +4° usually +68°
- Sat 10/24 +66° −1° usually +67°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 17
Today is warmer than usual for this date.
- Heat record +80° 1995
- Cold record +46° 2021
- Most precipitation 1.6 in 2005
- Strongest gust 65 mph 1998
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Koshigaya
Today is about 5° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +47° / +30° | +38° | 2.3 |
| Feb | +48° / +32° | +40° | 2.4 |
| Mar | +55° / +38° | +46° | 4.2 |
| Apr | +64° / +48° | +56° | 4.3 |
| May | +72° / +57° | +64° | 5.2 |
| Jun | +77° / +65° | +71° | 6.3 |
| Jul | +84° / +72° | +77° | 6.1 |
| Aug | +87° / +74° | +80° | 4.8 |
| Sep | +80° / +68° | +73° | 6.8 |
| Oct | +70° / +56° | +63° | 7.2 |
| Nov | +61° / +45° | +52° | 3.2 |
| Dec | +51° / +35° | +42° | 2.1 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
5:49 AM | 5:02 PM
Moon
11:56 AM | 9:23 PM
Moon phase
Waxing crescent 36%
Next solar eclipse
Calculating for this city…