See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Clear
Feels Like: 25°
Min: 25°
Max: 35°
The next few hours will be clear, with today reaching 31°C and dropping to 22°C. The coming days will be mostly clear until afternoon, returning overnight.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:20
Sunrise
19:29
Sunset
Moon
Waxing Crescent
11:34
Moonrise
21:33
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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UV Index
Humidity
Weather in Keystone today, September 15, 2026
Keystone looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 90% around 09:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 25°C toward a daytime high of about 35°C. Relative humidity sits between 34% and 95%, reaching its peak around 06:00. Expect gentle winds, highest near 16:00 at 5.5 km/h.
Afternoon skies stay clogged, peaking close to 100% near 15:00. The grey theme continues rather than clearing out. Visibility holds near 14.5 km, though it can fall to 4.7 km. The sun rises at 07:20 and sets at 19:29, for a total of 12 hours 9 minutes of sunlight today.
The practical takeaway for Keystone on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 35°C.
Frequently asked questions about weather in Keystone
How warm does it get in Keystone?
The warmest month in Keystone is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Keystone?
The coldest month in Keystone is January, with average low temperatures of 11°C. The average temperature during this period is around 15°C.
What is the wettest time of year in Keystone?
The wettest month in Keystone is July, with an average of 202mm of precipitation.
What is the driest time of year in Keystone?
The driest month in Keystone is November, with an average of 37mm of precipitation.
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