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Weather in Keystone, United States 🇺🇸

Weather Forecast in Keystone

Current Weather in Keystone

Small Craft Advisory issued July 18 at 4:10PM EDT until July 21 at 8:00PM EDT by NWS Tampa Bay Ruskin FL
Partly cloudy
29°C
Feels like 36°C. Partly cloudy.
🌬️ 29 km/h S
💧 81% Humidity
🧭 1014 hPa
👁️ 14.0 km Visibility
☀️ UV Index: 8.8
🌡️ Dew Point: 28°C
🌅 Sunrise: 06:45 AM
🌇 Sunset: 08:27 PM
Map Overlays:

In Keystone right now it is 29°C and partly cloudy, feeling like 36°C. Humidity is 81% with winds around 29 km/h, and the UV index is 9 (very high). Over the next few days, temperatures in Keystone range from about 24°C to 32°C. ⚠️ Small Craft Advisory issued July 18 at 4:10PM EDT until July 21 at 8:00PM EDT by NWS Tampa Bay Ruskin FL

Hourly Forecast for Keystone

16:00
Patchy rain nearby
30°
73%
17:00
Light rain
27°
75%
18:00
Moderate rain at times
25°
85%
19:00
Patchy rain nearby
26°
40%
20:00
Sunny
26°
14%
21:00
Clear
26°
14%
22:00
Clear
26°
15%
23:00
Overcast
26°
27%
00:00
Clear
26°
13%
01:00
Patchy rain nearby
26°
29%
02:00
Patchy rain nearby
28°
14%
03:00
Patchy rain nearby
28°
23%
04:00
Patchy light rain
28°
67%
05:00
Patchy rain nearby
28°
47%
06:00
Patchy light drizzle
28°
36%
07:00
Patchy rain nearby
28°
20%
08:00
Patchy light drizzle
28°
47%
09:00
Patchy rain nearby
29°
15%
10:00
Light rain
29°
49%
11:00
Light rain shower
30°
38%
12:00
Patchy light rain
30°
40%
13:00
Light rain shower
31°
57%
14:00
Patchy light drizzle
31°
49%
15:00
Patchy rain nearby
31°
36%

14-Day Forecast for Keystone

Sun, Jul 19
Sunny Sunny
31° / 24°
Mon, Jul 20
Patchy rain nearby Patchy rain nearby
31° / 26°
Tue, Jul 21
Sunny Sunny
32° / 28°
Wed, Jul 22
Sunny Sunny
31° / 28°
Thu, Jul 23
Sunny Sunny
31° / 28°
Fri, Jul 24
Sunny Sunny
31° / 29°
Sat, Jul 25
Sunny Sunny
31° / 29°
Sun, Jul 26
Patchy rain nearby Patchy rain nearby
31° / 28°
Mon, Jul 27
Light rain shower Light rain shower
30° / 28°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
31° / 28°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
31° / 28°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
30° / 29°
Fri, Jul 31
Light rain shower Light rain shower
29° / 28°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
31° / 28°

Additional Forecasts for Keystone

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 98.0 μg/m³
O₃ (Ozone) 99.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.8 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 4.3 μg/m³
PM10 (Coarse particles) 6.6 μg/m³

Historical Weather

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Best Time to Be Outside in Keystone Tomorrow

There is no good daylight window left in Keystone today. Tomorrow, the most comfortable window looks like 09:00 to 09:00, when it is around 29°C. It should stay dry through that window. The next likely rain is around 16:00.

Frequently Asked Questions about Weather in Keystone

What is the temperature in Keystone right now?

The current temperature in Keystone is 29°C (85°F), partly cloudy (feels like 36°C).

What's the weather like in Keystone right now?

Conditions in Keystone right now: Partly cloudy, humidity 81%, wind 29 km/h S.

What is today's forecast for Keystone?

Today in Keystone: high 31°C, low 24°C, sunny. Chance of rain: 83%.

What is the 7-day weather forecast for Keystone?

Daily highs and lows for Keystone:

  • 2026-07-19: 31°C / 24°C
  • 2026-07-20: 31°C / 26°C
  • 2026-07-21: 32°C / 28°C
  • 2026-07-22: 31°C / 28°C
  • 2026-07-23: 31°C / 28°C
  • 2026-07-24: 31°C / 29°C
  • 2026-07-25: 31°C / 29°C
Is it going to rain in Keystone today?

There is a 83% chance of rain in Keystone today. Total expected precipitation: 25.89 mm.

What is the wind speed in Keystone right now?

Wind in Keystone is currently 29 km/h (18 mph) from the S.

What is the UV index in Keystone right now?

The UV index in Keystone is currently 8.8 (very high). Sun protection is recommended when the index is 3 or higher.

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