Johnstown Weather Forecast 15 Days, Weather in Johnstown Today
Current weather conditions and 15 day weather forecast for Johnstown, Colorado, 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 Johnstown
| 30 March 2026 Monday 25.6 ° C / 78.1°F  Cloudy |
Feels Like : 24.2 ° C / 75.5°F Humidity : % 11 Pressure : 1009 mb Wind Speed : 31 kmph / 19.2 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Johnstown, CO, USA
Weather Forecast for next 15 Days for Johnstown 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 Johnstown, Colorado 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 March 2026 Monday |  Partly Cloudy |
7.9 ° C (46.2°F) |
26.2 ° C (79.2°F) |
17.1 ° C (62.8°F) |
% 28 | 0% | 1.3 | Sunrise:06:47 AM Sunset: 07:23 PM |
Moonrise:05:14 PM Moonset: 05:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Overcast |
5.1 ° C (41.2°F) |
14.8 ° C (58.6°F) |
10.8 ° C (51.5°F) |
% 49 | 0% | 1.1 | Sunrise:06:45 AM Sunset: 07:24 PM |
Moonrise:06:19 PM Moonset: 06:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Overcast |
5 ° C (41°F) |
14.6 ° C (58.3°F) |
9.8 ° C (49.7°F) |
% 64 | 0% | 1.1 | Sunrise:06:43 AM Sunset: 07:25 PM |
Moonrise:07:24 PM Moonset: 06:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Sunny |
1.2 ° C (34.2°F) |
21.3 ° C (70.3°F) |
11.9 ° C (53.5°F) |
% 53 | 0% | 1.7 | Sunrise:06:42 AM Sunset: 07:26 PM |
Moonrise:08:28 PM Moonset: 06:42 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Patchy rain nearby |
3.9 ° C (39°F) |
13.5 ° C (56.3°F) |
8 ° C (46.4°F) |
% 38 | 81% | 1.4 | Sunrise:06:40 AM Sunset: 07:27 PM |
Moonrise:09:33 PM Moonset: 07:05 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
0.9 ° C (33.7°F) |
14.8 ° C (58.6°F) |
6.5 ° C (43.7°F) |
% 48 | 0% | 0 | Sunrise:06:39 AM Sunset: 07:28 PM |
Moonrise:10:37 PM Moonset: 07:31 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
4.1 ° C (39.4°F) |
18.4 ° C (65.2°F) |
11.3 ° C (52.3°F) |
% 26 | 0% | 4 | Sunrise:06:37 AM Sunset: 07:29 PM |
Moonrise:11:40 PM Moonset: 08:01 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
6.5 ° C (43.7°F) |
17.7 ° C (63.9°F) |
11.8 ° C (53.3°F) |
% 32 | 0% | 4 | Sunrise:06:35 AM Sunset: 07:30 PM |
Moonrise:No moonrise Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
5.2 ° C (41.3°F) |
22.3 ° C (72.2°F) |
13.3 ° C (55.9°F) |
% 37 | 0% | 4 | Sunrise:06:34 AM Sunset: 07:31 PM |
Moonrise:12:39 AM Moonset: 09:21 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Partly Cloudy |
9.6 ° C (49.4°F) |
24.6 ° C (76.2°F) |
17 ° C (62.6°F) |
% 20 | 0% | 5 | Sunrise:06:32 AM Sunset: 07:32 PM |
Moonrise:01:34 AM Moonset: 10:12 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Patchy rain nearby |
12.2 ° C (53.9°F) |
19.8 ° C (67.7°F) |
15.2 ° C (59.4°F) |
% 41 | 88% | 4 | Sunrise:06:31 AM Sunset: 07:33 PM |
Moonrise:02:21 AM Moonset: 11:11 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Patchy rain nearby |
7.9 ° C (46.2°F) |
21.7 ° C (71.1°F) |
13.4 ° C (56.2°F) |
% 51 | 61% | 3 | Sunrise:06:29 AM Sunset: 07:34 PM |
Moonrise:03:01 AM Moonset: 12:13 PM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Patchy rain nearby |
3.3 ° C (37.9°F) |
10.2 ° C (50.4°F) |
7.4 ° C (45.3°F) |
% 69 | 89% | 2 | Sunrise:06:27 AM Sunset: 07:36 PM |
Moonrise:03:34 AM Moonset: 01:19 PM Moon Phase ( Waning Crescent ) |
|
| 12 April 2026 Sunday |  Patchy light snow |
-3.5 ° C (25.7°F) |
1.2 ° C (34.1°F) |
-1.2 ° C (29.8°F) |
% 79 | 78% | 1 | Sunrise:06:26 AM Sunset: 07:37 PM |
Moonrise:04:03 AM Moonset: 02:26 PM Moon Phase ( Waning Crescent ) |
|
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