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Weather in Old Jamestown, United States 🇺🇸

Current Weather in Old Jamestown

Heat Advisory issued August 31 at 2:29PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO
Clear
29°C
Feels like 29°C. Clear.
🌬️ 13 km/h SSW
💧 48% Humidity
🧭 1014 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 17°C
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:33 PM
Map Overlays:

As of now, Old Jamestown is 29°C and clear, feeling like 29°C. Expect 48% humidity and winds of about 13 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Old Jamestown range from about 20°C to 40°C. ⚠️ Heat Advisory issued August 31 at 2:29PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Hourly Forecast for Old Jamestown

00:00
Clear
28°
2%
01:00
Clear
27°
2%
02:00
Clear
27°
2%
03:00
Clear
26°
2%
04:00
Clear
26°
2%
05:00
Clear
25°
3%
06:00
Clear
27°
2%
07:00
Sunny
27°
2%
08:00
Sunny
27°
1%
09:00
Sunny
30°
1%
10:00
Sunny
32°
1%
11:00
Sunny
34°
1%
12:00
Sunny
36°
0%
13:00
Sunny
37°
0%
14:00
Sunny
38°
0%
15:00
Sunny
39°
0%
16:00
Sunny
39°
0%
17:00
Sunny
38°
0%
18:00
Sunny
37°
0%
19:00
Sunny
37°
0%
20:00
Clear
35°
1%
21:00
Clear
34°
1%
22:00
Clear
33°
1%
23:00
Clear
32°
1%

14-Day Forecast for Old Jamestown

Mon, Aug 31
Sunny Sunny
40° / 20°
Tue, Sep 01
Sunny Sunny
39° / 25°
Wed, Sep 02
Sunny Sunny
39° / 29°
Thu, Sep 03
Sunny Sunny
39° / 29°
Fri, Sep 04
Sunny Sunny
39° / 29°
Sat, Sep 05
Sunny Sunny
40° / 29°
Sun, Sep 06
Overcast Overcast
37° / 26°
Mon, Sep 07
Overcast Overcast
34° / 22°
Tue, Sep 08
Sunny Sunny
40° / 28°
Wed, Sep 09
Sunny Sunny
42° / 27°
Thu, Sep 10
Sunny Sunny
38° / 24°
Fri, Sep 11
Overcast Overcast
36° / 25°
Sat, Sep 12
Sunny Sunny
41° / 27°
Sun, Sep 13
Sunny Sunny
42° / 28°

Additional Forecasts for Old Jamestown

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 186.0 μg/m³
O₃ (Ozone) 60.0 μg/m³
NO₂ (Nitrogen Dioxide) 16.6 μg/m³
SO₂ (Sulphur Dioxide) 3.0 μg/m³
PM2.5 (Fine particles) 12.3 μg/m³
PM10 (Coarse particles) 12.5 μg/m³

Historical Weather

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Best Time to Be Outside in Old Jamestown Today

The most comfortable window in Old Jamestown today looks like 07:00 to 10:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Old Jamestown

What is the temperature in Old Jamestown right now?

It is currently 29°C (84°F) in Old Jamestown, clear (feels like 29°C).

What's the weather like in Old Jamestown right now?

Conditions in Old Jamestown right now: Clear, humidity 48%, wind 13 km/h SSW.

What is today's forecast for Old Jamestown?

Today in Old Jamestown: high 40°C, low 20°C, sunny. Chance of rain: 2%.

What is the 7-day weather forecast for Old Jamestown?

Daily highs and lows for Old Jamestown:

  • 2026-08-31: 40°C / 20°C
  • 2026-09-01: 39°C / 25°C
  • 2026-09-02: 39°C / 29°C
  • 2026-09-03: 39°C / 29°C
  • 2026-09-04: 39°C / 29°C
  • 2026-09-05: 40°C / 29°C
  • 2026-09-06: 37°C / 26°C
Is it going to rain in Old Jamestown today?

There is a 2% chance of rain in Old Jamestown today.

What is the wind speed in Old Jamestown right now?

Wind in Old Jamestown is currently 13 km/h (8 mph) from the SSW.

What is the UV index in Old Jamestown right now?

The UV index in Old Jamestown is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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