Facility · Montana ·
Managed by the USDA Forest Service
Helena National Forest (NF) · Open Access
Meriwether offers 10 picnic tables, picnic shelter, boat dock, water, toilets, and garbage containers. Meriwether is a wonderful place to spend the day picnicking, fishing, boating and swimming. Meriwether also offers commercial boat tours and access to the gates of the mountains.
46.87000, -111.90167 · 46°52'12.0"N 111°54'6.0"W
Typically 85°F in Jul, down to 37°F in Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 37 | 40 | 49 | 57 | 67 | 75 | 85 | 85 | 74 | 59 | 45 | 37 |
| Low °F | 20 | 20 | 26 | 32 | 39 | 46 | 51 | 50 | 44 | 36 | 28 | 22 |
| Precip in | 0.3 | 0.4 | 0.6 | 1.5 | 2.6 | 2.9 | 1.0 | 1.2 | 1.3 | 1.0 | 0.5 | 0.5 |
1991–2020 averages from the nearest NOAA station, 9.8 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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