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Grasmere, ID · Owyhee County
Right Now
Clear
Water
70°
Wind
11 mph
NE
Gusts
15 mph
Pressure
29.77
falling
Forecast - Wed, Jun 24
High / Low
86° / 58°
Wind
7 mph
gusts 19 mph
Precip
30%
UV
8
Sunrise
12:07 PM
Sunset
3:24 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jun 29
Mon, Jun 29 scores 73/100 — Solunar 5/5, Rain 0%.
Best for Boating
Wed, Wed, Jul 1
Wed, Jul 1 scores 90/100 — Wind 7 mph, Rain 0%.
Best for Swimming
Thu, Thu, Jun 25
Thu, Jun 25 scores 75/100 — Air 84°F, Wind 10 mph.
Best for Paddling
Wed, Wed, Jul 1
Wed, Jul 1 scores 85/100 — Wind 7 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Mostly Cloudy | Drizzle | Rain | Drizzle | Mostly Cloudy | Mostly Clear | Mostly Clear | Clear |
| High / Low | 86°/58° | 84°/60° | 68°/54° | 56°/45° | 55°/38° | 66°/41° | 72°/46° | 68°/47° | 79°/52° |
| Precip | 30% | 35% | 48% | 76% | 48% | 0% | 0% | 0% | 0% |
| Wind | 13 mphgust 19 | 10 mphgust 20 | 15 mphgust 23 | 13 mphgust 19 | 15 mphgust 22 | 11 mphgust 17 | 11 mphgust 19 | 7 mphgust 13 | 8 mphgust 16 |
| Pressure | 29.77" stable | 29.71" falling | 29.69" falling | 29.73" rising | 29.86" rising | 29.90" rising | 29.81" falling | 29.93" rising | 29.94" stable |
| UV Index | 8 | 6 | 5 | 4 | 4 | 6 | 7 | 7 | 10 |
| Sunrise | 12:07 PM | 12:08 PM | 12:08 PM | 12:08 PM | 12:09 PM | 12:09 PM | 12:10 PM | 12:10 PM | 12:11 PM |
| Sunset | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM | 3:24 AM |
| Bite Rating | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous |
Today Read
Grasmere ReservoirWind read
Calm
7 mph avg
Water read
70°
Warm-water bite
Air range
58° / 86°
today
Precip
30%
low concern
Today's forecast for Grasmere Reservoir has calm wind, 58F to 86F air temperatures, 30% chance of precipitation, and 70F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
first quarter
Major
3:27 AM - 5:57 AM
Minor
10:31 PM - 12:01 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
70°
Jun 28
Low
32°
Jan 4
Average
55°
Last 12 Months
Warmest avg: July (73°F)
Coolest avg: January (33°F)
Rapid warming: February → March (+11°F)
Sharpest cooling: October → November (-17°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
6am - 5am
Peak Wind
13 mph
2am
Peak Gust
19 mph
highest gust
Pressure
29.78 inHg
rising
Visibility
44 mi
2% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5first quarter
Water at 70°F -- warm-water species active.
Nearby Lakes
FAQ
Grasmere Reservoir covers 224.50 acres (0.35 square miles)
Grasmere Reservoir is located in Grasmere, Owyhee County, ID. It is accessible to the public for outdoor activities.