Current weather conditions and 15 day weather forecast for Tiffin, 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.
| 19 December 2025 Friday -11.7 ° C / 10.9°F ![]() Overcast |
Feels Like : -22.4 ° C / -8.3°F Humidity : % 73 Pressure : 1010 mb Wind Speed : 34.6 kmph / 21.5 miles from WNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday | Cloudy |
-15.1 ° C (4.8°F) |
-4 ° C (24.8°F) |
-8.7 ° C (16.4°F) |
% 73 | 0% | 0.3 | Sunrise:07:29 AM Sunset: 04:38 PM |
Moonrise:07:33 AM Moonset: 04:01 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-5.1 ° C (22.8°F) |
1.1 ° C (34°F) |
-2.5 ° C (27.6°F) |
% 86 | 0% | 0.2 | Sunrise:07:30 AM Sunset: 04:39 PM |
Moonrise:08:24 AM Moonset: 04:57 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Partly Cloudy |
-6.2 ° C (20.8°F) |
-2 ° C (28.4°F) |
-4 ° C (24.9°F) |
% 85 | 0% | 0.3 | Sunrise:07:30 AM Sunset: 04:39 PM |
Moonrise:09:07 AM Moonset: 05:59 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate or heavy snow showers |
-3 ° C (26.6°F) |
0.3 ° C (32.5°F) |
-1.4 ° C (29.5°F) |
% 62 | 75% | 0.1 | Sunrise:07:31 AM Sunset: 04:40 PM |
Moonrise:09:44 AM Moonset: 07:06 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Mist |
-1 ° C (30.2°F) |
3.4 ° C (38.2°F) |
-0 ° C (32°F) |
% 89 | 0% | 0 | Sunrise:07:31 AM Sunset: 04:40 PM |
Moonrise:10:13 AM Moonset: 08:13 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
-1.1 ° C (30.1°F) |
2.2 ° C (36°F) |
1.2 ° C (34.2°F) |
% 91 | 0% | 1 | Sunrise:07:31 AM Sunset: 04:41 PM |
Moonrise:10:38 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
4.8 ° C (40.7°F) |
17.6 ° C (63.7°F) |
12.3 ° C (54.2°F) |
% 85 | 0% | 3 | Sunrise:07:32 AM Sunset: 04:41 PM |
Moonrise:11:01 AM Moonset: 10:28 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
1.9 ° C (35.4°F) |
7.9 ° C (46.2°F) |
4.8 ° C (40.6°F) |
% 77 | 0% | 2 | Sunrise:07:32 AM Sunset: 04:42 PM |
Moonrise:11:22 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
4.7 ° C (40.5°F) |
11.5 ° C (52.7°F) |
7.9 ° C (46.2°F) |
% 84 | 0% | 3 | Sunrise:07:32 AM Sunset: 04:43 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
6.5 ° C (43.7°F) |
10.9 ° C (51.5°F) |
8.9 ° C (48°F) |
% 82 | 0% | 3 | Sunrise:07:33 AM Sunset: 04:43 PM |
Moonrise:12:06 PM Moonset: 12:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
2 ° C (35.5°F) |
6.6 ° C (43.8°F) |
3.9 ° C (39.1°F) |
% 71 | 0% | 2 | Sunrise:07:33 AM Sunset: 04:44 PM |
Moonrise:12:32 PM Moonset: 02:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-1.5 ° C (29.3°F) |
6 ° C (42.8°F) |
1.3 ° C (34.4°F) |
% 68 | 0% | 2 | Sunrise:07:33 AM Sunset: 04:45 PM |
Moonrise:01:05 PM Moonset: 03:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Overcast |
0.2 ° C (32.3°F) |
9.2 ° C (48.5°F) |
4.5 ° C (40.2°F) |
% 78 | 0% | 1 | Sunrise:07:33 AM Sunset: 04:46 PM |
Moonrise:01:47 PM Moonset: 04:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
9.2 ° C (48.6°F) |
13.4 ° C (56.2°F) |
11.1 ° C (52°F) |
% 91 | 88% | 3 | Sunrise:07:33 AM Sunset: 04:47 PM |
Moonrise:02:41 PM Moonset: 06:00 AM Moon Phase ( Waxing Gibbous ) |
|