St. Augustine Weather Forecast 15 Days, Weather in St. Augustine Today
Current weather conditions and 15 day weather forecast for St. Augustine, 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 St. Augustine
| 12 April 2025 Saturday 4.2 ° C / 39.6°F  Clear |
Feels Like : 3 ° C / 37.4°F Humidity : % 68 Pressure : 1024 mb Wind Speed : 5.4 kmph / 3.4 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St. Augustine, IL, USA
Weather Forecast for next 15 Days for St. Augustine 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 St. Augustine, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 11 April 2025 Friday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 4.4 ° C (39.9°F) |
| High temperature | 15.4 ° C (59.7°F) |
| Avg. temperature | 9.6 ° C (49.2°F) |
| Humidity | % 67 |
| Chance of rain | 0% |
| UV Index | 1.4 |
| Sun Position | Sunrise:06:28 AM Sunset: 07:38 PM |
| Moon Position | Moonrise:06:39 PM Moonset: 05:49 AM Moon Phase ( Waxing Gibbous ) |
| 12 April 2025 Saturday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 3.1 ° C (37.6°F) |
| High temperature | 18.5 ° C (65.3°F) |
| Avg. temperature | 10.8 ° C (51.4°F) |
| Humidity | % 64 |
| Chance of rain | 0% |
| UV Index | 1.6 |
| Sun Position | Sunrise:06:27 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:07:40 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
| 13 April 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 9.3 ° C (48.7°F) |
| High temperature | 21.3 ° C (70.3°F) |
| Avg. temperature | 15 ° C (59°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 1.3 |
| Sun Position | Sunrise:06:25 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:08:41 PM Moonset: 06:28 AM Moon Phase ( Full Moon ) |
| 14 April 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 8.4 ° C (47.2°F) |
| High temperature | 16.8 ° C (62.2°F) |
| Avg. temperature | 12.6 ° C (54.6°F) |
| Humidity | % 55 |
| Chance of rain | 0% |
| UV Index | 1.5 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:09:44 PM Moonset: 06:51 AM Moon Phase ( Waning Gibbous ) |
| 15 April 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 5.5 ° C (41.8°F) |
| High temperature | 13.8 ° C (56.8°F) |
| Avg. temperature | 9 ° C (48.1°F) |
| Humidity | % 54 |
| Chance of rain | 0% |
| UV Index | 1.5 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:42 PM |
| Moon Position | Moonrise:10:47 PM Moonset: 07:19 AM Moon Phase ( Waning Gibbous ) |
| 16 April 2025 Wednesday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 3.7 ° C (38.7°F) |
| High temperature | 15.6 ° C (60.1°F) |
| Avg. temperature | 7.8 ° C (46.1°F) |
| Humidity | % 67 |
| Chance of rain | 61% |
| UV Index | 0 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:11:50 PM Moonset: 07:51 AM Moon Phase ( Waning Gibbous ) |
| 17 April 2025 Thursday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 8.8 ° C (47.9°F) |
| High temperature | 16.9 ° C (62.4°F) |
| Avg. temperature | 12.3 ° C (54.1°F) |
| Humidity | % 84 |
| Chance of rain | 78% |
| UV Index | 3 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:No moonrise Moonset: 08:32 AM Moon Phase ( Waning Gibbous ) |
| 18 April 2025 Friday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 4.2 ° C (39.5°F) |
| High temperature | 8.8 ° C (47.8°F) |
| Avg. temperature | 7.3 ° C (45.1°F) |
| Humidity | % 64 |
| Chance of rain | 78% |
| UV Index | 2 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:45 PM |
| Moon Position | Moonrise:12:48 AM Moonset: 09:22 AM Moon Phase ( Waning Gibbous ) |
| 19 April 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 0.7 ° C (33.2°F) |
| High temperature | 12.9 ° C (55.3°F) |
| Avg. temperature | 6.6 ° C (43.8°F) |
| Humidity | % 58 |
| Chance of rain | 0% |
| UV Index | 3 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:01:41 AM Moonset: 10:20 AM Moon Phase ( Waning Gibbous ) |
| 20 April 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 4.3 ° C (39.8°F) |
| High temperature | 18.7 ° C (65.6°F) |
| Avg. temperature | 11.3 ° C (52.3°F) |
| Humidity | % 63 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:15 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:02:25 AM Moonset: 11:26 AM Moon Phase ( Last Quarter ) |
| 21 April 2025 Monday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 9.6 ° C (49.3°F) |
| High temperature | 20 ° C (68°F) |
| Avg. temperature | 15.2 ° C (59.3°F) |
| Humidity | % 70 |
| Chance of rain | 87% |
| UV Index | 4 |
| Sun Position | Sunrise:06:13 AM Sunset: 07:48 PM |
| Moon Position | Moonrise:03:02 AM Moonset: 12:35 PM Moon Phase ( Last Quarter ) |
| 22 April 2025 Tuesday | |
| Weather forecast |  Mist |
| Low temperature | 13 ° C (55.4°F) |
| High temperature | 23.1 ° C (73.5°F) |
| Avg. temperature | 18.2 ° C (64.8°F) |
| Humidity | % 79 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:12 AM Sunset: 07:49 PM |
| Moon Position | Moonrise:03:34 AM Moonset: 01:48 PM Moon Phase ( Waning Crescent ) |
| 23 April 2025 Wednesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 15.3 ° C (59.5°F) |
| High temperature | 24.2 ° C (75.6°F) |
| Avg. temperature | 19.3 ° C (66.8°F) |
| Humidity | % 84 |
| Chance of rain | 81% |
| UV Index | 4 |
| Sun Position | Sunrise:06:11 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:04:01 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
| 24 April 2025 Thursday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 15.9 ° C (60.7°F) |
| High temperature | 23.5 ° C (74.4°F) |
| Avg. temperature | 19.2 ° C (66.6°F) |
| Humidity | % 87 |
| Chance of rain | 87% |
| UV Index | 4 |
| Sun Position | Sunrise:06:09 AM Sunset: 07:51 PM |
| Moon Position | Moonrise:04:25 AM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 April 2025 Friday | Partly Cloudy |
4.4 ° C (39.9°F) |
15.4 ° C (59.7°F) |
9.6 ° C (49.2°F) |
% 67 | 0% | 1.4 | Sunrise:06:28 AM Sunset: 07:38 PM |
Moonrise:06:39 PM Moonset: 05:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 12 April 2025 Saturday | Partly Cloudy |
3.1 ° C (37.6°F) |
18.5 ° C (65.3°F) |
10.8 ° C (51.4°F) |
% 64 | 0% | 1.6 | Sunrise:06:27 AM Sunset: 07:39 PM |
Moonrise:07:40 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 13 April 2025 Sunday | Partly Cloudy |
9.3 ° C (48.7°F) |
21.3 ° C (70.3°F) |
15 ° C (59°F) |
% 74 | 0% | 1.3 | Sunrise:06:25 AM Sunset: 07:40 PM |
Moonrise:08:41 PM Moonset: 06:28 AM Moon Phase ( Full Moon ) |
|
| 14 April 2025 Monday | Partly Cloudy |
8.4 ° C (47.2°F) |
16.8 ° C (62.2°F) |
12.6 ° C (54.6°F) |
% 55 | 0% | 1.5 | Sunrise:06:24 AM Sunset: 07:41 PM |
Moonrise:09:44 PM Moonset: 06:51 AM Moon Phase ( Waning Gibbous ) |
|
| 15 April 2025 Tuesday | Sunny |
5.5 ° C (41.8°F) |
13.8 ° C (56.8°F) |
9 ° C (48.1°F) |
% 54 | 0% | 1.5 | Sunrise:06:22 AM Sunset: 07:42 PM |
Moonrise:10:47 PM Moonset: 07:19 AM Moon Phase ( Waning Gibbous ) |
|
| 16 April 2025 Wednesday | Patchy rain nearby |
3.7 ° C (38.7°F) |
15.6 ° C (60.1°F) |
7.8 ° C (46.1°F) |
% 67 | 61% | 0 | Sunrise:06:21 AM Sunset: 07:43 PM |
Moonrise:11:50 PM Moonset: 07:51 AM Moon Phase ( Waning Gibbous ) |
|
| 17 April 2025 Thursday | Patchy rain nearby |
8.8 ° C (47.9°F) |
16.9 ° C (62.4°F) |
12.3 ° C (54.1°F) |
% 84 | 78% | 3 | Sunrise:06:19 AM Sunset: 07:44 PM |
Moonrise:No moonrise Moonset: 08:32 AM Moon Phase ( Waning Gibbous ) |
|
| 18 April 2025 Friday | Patchy rain nearby |
4.2 ° C (39.5°F) |
8.8 ° C (47.8°F) |
7.3 ° C (45.1°F) |
% 64 | 78% | 2 | Sunrise:06:18 AM Sunset: 07:45 PM |
Moonrise:12:48 AM Moonset: 09:22 AM Moon Phase ( Waning Gibbous ) |
|
| 19 April 2025 Saturday | Sunny |
0.7 ° C (33.2°F) |
12.9 ° C (55.3°F) |
6.6 ° C (43.8°F) |
% 58 | 0% | 3 | Sunrise:06:16 AM Sunset: 07:46 PM |
Moonrise:01:41 AM Moonset: 10:20 AM Moon Phase ( Waning Gibbous ) |
|
| 20 April 2025 Sunday | Sunny |
4.3 ° C (39.8°F) |
18.7 ° C (65.6°F) |
11.3 ° C (52.3°F) |
% 63 | 0% | 4 | Sunrise:06:15 AM Sunset: 07:47 PM |
Moonrise:02:25 AM Moonset: 11:26 AM Moon Phase ( Last Quarter ) |
|
| 21 April 2025 Monday | Patchy rain nearby |
9.6 ° C (49.3°F) |
20 ° C (68°F) |
15.2 ° C (59.3°F) |
% 70 | 87% | 4 | Sunrise:06:13 AM Sunset: 07:48 PM |
Moonrise:03:02 AM Moonset: 12:35 PM Moon Phase ( Last Quarter ) |
|
| 22 April 2025 Tuesday | Mist |
13 ° C (55.4°F) |
23.1 ° C (73.5°F) |
18.2 ° C (64.8°F) |
% 79 | 0% | 4 | Sunrise:06:12 AM Sunset: 07:49 PM |
Moonrise:03:34 AM Moonset: 01:48 PM Moon Phase ( Waning Crescent ) |
|
| 23 April 2025 Wednesday | Patchy rain nearby |
15.3 ° C (59.5°F) |
24.2 ° C (75.6°F) |
19.3 ° C (66.8°F) |
% 84 | 81% | 4 | Sunrise:06:11 AM Sunset: 07:50 PM |
Moonrise:04:01 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
|
| 24 April 2025 Thursday | Patchy rain nearby |
15.9 ° C (60.7°F) |
23.5 ° C (74.4°F) |
19.2 ° C (66.6°F) |
% 87 | 87% | 4 | Sunrise:06:09 AM Sunset: 07:51 PM |
Moonrise:04:25 AM Moonset: 04:17 PM Moon Phase ( Waning Crescent ) |
|
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