Port Byron Weather Forecast 15 Days, Weather in Port Byron Today
Current weather conditions and 15 day weather forecast for Port Byron, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Port Byron
| 03 November 2026 Tuesday 20.1 ° C / 68.2°F  Overcast |
Feels Like : 16.9 ° C / 62.4°F Humidity : % 80 Pressure : 1005 mb Wind Speed : 27.7 kmph / 17.2 miles from SSE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 97 |
15 day weather forecast for Port Byron, IL, USA
Weather Forecast for next 15 Days for Port Byron including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Port Byron, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 03 November 2026 Tuesday |  Patchy rain nearby |
16.7 ° C (62.1°F) |
20.1 ° C (68.2°F) |
18.4 ° C (65.2°F) |
% 87 | 90% | 1.7 | Sunrise:06:35 AM Sunset: 04:53 PM |
Moonrise:12:04 AM Moonset: 02:00 PM Moon Phase ( Waning Crescent ) |
|
| 04 November 2026 Wednesday | Patchy rain nearby |
11.5 ° C (52.8°F) |
16.8 ° C (62.2°F) |
13.2 ° C (55.7°F) |
% 82 | 59% | 0.9 | Sunrise:06:36 AM Sunset: 04:52 PM |
Moonrise:01:19 AM Moonset: 02:24 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday | Patchy rain nearby |
9.2 ° C (48.6°F) |
11.6 ° C (52.9°F) |
10.2 ° C (50.3°F) |
% 80 | 51% | 1.6 | Sunrise:06:38 AM Sunset: 04:51 PM |
Moonrise:02:33 AM Moonset: 02:47 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday |  Sunny |
4.2 ° C (39.5°F) |
10.1 ° C (50.2°F) |
7.7 ° C (45.9°F) |
% 65 | 17% | 1.2 | Sunrise:06:39 AM Sunset: 04:50 PM |
Moonrise:03:46 AM Moonset: 03:11 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday |  Partly Cloudy |
2.5 ° C (36.6°F) |
13.6 ° C (56.5°F) |
7.5 ° C (45.6°F) |
% 68 | 9% | 4 | Sunrise:06:40 AM Sunset: 04:49 PM |
Moonrise:04:59 AM Moonset: 03:37 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday | Sunny |
6.2 ° C (43.2°F) |
16.1 ° C (60.9°F) |
10.2 ° C (50.4°F) |
% 72 | 8% | 5 | Sunrise:06:41 AM Sunset: 04:48 PM |
Moonrise:06:13 AM Moonset: 04:06 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday | Partly Cloudy |
8.4 ° C (47.1°F) |
17.6 ° C (63.7°F) |
12.8 ° C (55°F) |
% 69 | 7% | 5 | Sunrise:06:43 AM Sunset: 04:47 PM |
Moonrise:07:26 AM Moonset: 04:42 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Partly Cloudy |
7.5 ° C (45.5°F) |
14.3 ° C (57.7°F) |
10.4 ° C (50.7°F) |
% 67 | 9% | 4 | Sunrise:06:44 AM Sunset: 04:46 PM |
Moonrise:08:36 AM Moonset: 05:24 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Partly Cloudy |
4.4 ° C (39.9°F) |
12.3 ° C (54.1°F) |
7.7 ° C (45.8°F) |
% 64 | 7% | 4 | Sunrise:06:45 AM Sunset: 04:45 PM |
Moonrise:09:39 AM Moonset: 06:15 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Sunny |
1.7 ° C (35°F) |
9.7 ° C (49.4°F) |
5.2 ° C (41.4°F) |
% 72 | 8% | 3 | Sunrise:06:46 AM Sunset: 04:44 PM |
Moonrise:10:34 AM Moonset: 07:12 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Sunny |
2.2 ° C (35.9°F) |
11.2 ° C (52.2°F) |
6.5 ° C (43.7°F) |
% 70 | 7% | 4 | Sunrise:06:47 AM Sunset: 04:43 PM |
Moonrise:11:18 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Partly Cloudy |
4.9 ° C (40.9°F) |
13.5 ° C (56.2°F) |
9.2 ° C (48.6°F) |
% 64 | 8% | 4 | Sunrise:06:49 AM Sunset: 04:42 PM |
Moonrise:11:54 AM Moonset: 09:18 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday | Partly Cloudy |
7.3 ° C (45.2°F) |
15.4 ° C (59.8°F) |
10.5 ° C (50.9°F) |
% 64 | 7% | 5 | Sunrise:06:50 AM Sunset: 04:41 PM |
Moonrise:12:23 PM Moonset: 10:21 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday | Partly Cloudy |
5.7 ° C (42.2°F) |
12.8 ° C (55°F) |
8.6 ° C (47.5°F) |
% 63 | 36% | 4 | Sunrise:06:51 AM Sunset: 04:40 PM |
Moonrise:12:47 PM Moonset: 11:23 PM Moon Phase ( First Quarter ) |
|
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