Today
Clear throughout the day, high +36°, low +36°. Light wind, up to 6 mph. The day promises to be dry.
Weather in Roundup
United States · Montana · 46.4452, -108.5418
Today Now 10:09 PM
+36° Clear
Hourly forecast
Today10/25
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +50° and fog, nighttime low +32°, about 14° warmer.
Week
This week temperatures range from +30° to +61°. Warmest day — Sat, up to +61°. Nighttime weekly low: +30° (Thu). Days with precipitation — Tue. Clear days — 3. Strongest wind — Tue, up to 24 mph.
Week vs norm
- Today 10/25 +36° −20° usually +55°
- Tomorrow 10/26 +50° −5° usually +55°
- Tue 10/27 +54° as usual usually +54°
- Wed 10/28 +55° +2° usually +54°
- Thu 10/29 +43° −11° usually +53°
- Fri 10/30 +45° −8° usually +53°
- Sat 10/31 +61° +8° usually +52°
- Sun 11/1 +57° +5° usually +52°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 25
Today is cooler than usual for this date.
- Heat record +77° 2017
- Cold record +2° 2020
- Most precipitation 0.5 in 2023
- Strongest gust 48 mph 2010
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Roundup
Today is about 24° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +34° / +18° | +24° | 0.9 |
| Feb | +36° / +18° | +26° | 0.9 |
| Mar | +48° / +26° | +35° | 1.2 |
| Apr | +57° / +34° | +44° | 2.4 |
| May | +68° / +44° | +55° | 2.9 |
| Jun | +77° / +53° | +64° | 2.7 |
| Jul | +89° / +60° | +74° | 1.3 |
| Aug | +88° / +59° | +73° | 1.1 |
| Sep | +77° / +50° | +62° | 1.4 |
| Oct | +60° / +38° | +47° | 1.5 |
| Nov | +45° / +28° | +35° | 0.9 |
| Dec | +35° / +20° | +26° | 0.9 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:46 AM | 6:09 PM
Moon
5:33 PM | 7:17 AM
Moon phase
Waxing gibbous 100%
Next solar eclipse
Calculating for this city…