Current weather conditions and 15 day weather forecast for Crystal Lake, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 25 September 2026 Friday 13.7 ° C / 56.7°F ![]() Mist |
Feels Like : 12.8 ° C / 55°F Humidity : % 96 Pressure : 1025 mb Wind Speed : 10.1 kmph / 6.3 miles from SE ![]() Visibility : 2 km Precipitation (rainfall) : 0.1 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 September 2026 Thursday | Overcast |
11.6 ° C (52.8°F) |
15 ° C (59.1°F) |
13.6 ° C (56.4°F) |
% 89 | 83% | 2.2 | Sunrise:07:04 AM Sunset: 07:09 PM |
Moonrise:06:17 PM Moonset: 05:01 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Mist |
13.1 ° C (55.5°F) |
17.1 ° C (62.7°F) |
14.6 ° C (58.3°F) |
% 90 | 54% | 4.2 | Sunrise:07:05 AM Sunset: 07:07 PM |
Moonrise:06:35 PM Moonset: 06:04 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
9.5 ° C (49.1°F) |
13.4 ° C (56.2°F) |
11.5 ° C (52.6°F) |
% 95 | 93% | 1.4 | Sunrise:07:07 AM Sunset: 07:05 PM |
Moonrise:06:53 PM Moonset: 07:09 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Patchy rain nearby |
11.2 ° C (52.2°F) |
18.4 ° C (65.2°F) |
14.7 ° C (58.4°F) |
% 90 | 64% | 3.9 | Sunrise:07:08 AM Sunset: 07:04 PM |
Moonrise:07:13 PM Moonset: 08:14 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
13.3 ° C (56°F) |
21 ° C (69.9°F) |
17.1 ° C (62.7°F) |
% 79 | 20% | 5.2 | Sunrise:07:09 AM Sunset: 07:02 PM |
Moonrise:07:37 PM Moonset: 09:22 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
6.3 ° C (43.3°F) |
17.3 ° C (63.1°F) |
13.5 ° C (56.2°F) |
% 83 | 89% | 4 | Sunrise:07:10 AM Sunset: 07:00 PM |
Moonrise:08:05 PM Moonset: 10:33 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
3.6 ° C (38.5°F) |
10 ° C (50.1°F) |
6.8 ° C (44.2°F) |
% 70 | 23% | 4 | Sunrise:07:11 AM Sunset: 06:58 PM |
Moonrise:08:40 PM Moonset: 11:45 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
5.8 ° C (42.4°F) |
16.1 ° C (61°F) |
10.7 ° C (51.3°F) |
% 67 | 5% | 5 | Sunrise:07:12 AM Sunset: 06:56 PM |
Moonrise:09:26 PM Moonset: 12:56 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
10.3 ° C (50.5°F) |
16.8 ° C (62.2°F) |
13.2 ° C (55.8°F) |
% 70 | 8% | 5 | Sunrise:07:13 AM Sunset: 06:55 PM |
Moonrise:10:24 PM Moonset: 02:02 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
6.7 ° C (44.1°F) |
12.9 ° C (55.2°F) |
9.6 ° C (49.3°F) |
% 70 | 74% | 4 | Sunrise:07:14 AM Sunset: 06:53 PM |
Moonrise:11:33 PM Moonset: 02:57 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
8.4 ° C (47°F) |
13.3 ° C (56°F) |
10.9 ° C (51.7°F) |
% 64 | 11% | 3 | Sunrise:07:16 AM Sunset: 06:51 PM |
Moonrise:Does not rise today Moonset: 03:43 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Overcast |
8.3 ° C (46.9°F) |
16.5 ° C (61.6°F) |
12.2 ° C (54°F) |
% 68 | 17% | 5 | Sunrise:07:17 AM Sunset: 06:49 PM |
Moonrise:12:50 AM Moonset: 04:19 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
5.7 ° C (42.3°F) |
13 ° C (55.4°F) |
9.3 ° C (48.7°F) |
% 63 | 8% | 4 | Sunrise:07:18 AM Sunset: 06:48 PM |
Moonrise:02:10 AM Moonset: 04:48 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Overcast |
8.6 ° C (47.4°F) |
15.1 ° C (59.1°F) |
11.8 ° C (53.2°F) |
% 63 | 9% | 4 | Sunrise:07:19 AM Sunset: 06:46 PM |
Moonrise:03:30 AM Moonset: 05:13 PM Moon Phase ( Waning Crescent ) |
|