Tracking since July 19, 2026 | 3 of 9 days

Right Ray / Wrong Ray | Seven Devils

Name: Seven Devils, NC forecast accuracy scores
Creator: Dave's Sweater
License: https://creativecommons.org/licenses/by/4.0/

Every forecast for Seven Devils is a claim about tomorrow. This board grades each one we track against what the sky actually did, on the same rubric as Boone. Seven Devils stands alone here: no blended average, no borrowed scores.

Seven Devils's forecast

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This board is provisional. Seven Devils has 3 of 9 scored days. The numbers below are real, just early. They graduate to an established record once the count crosses 9, the same gate every source on the site clears.

Seven Devils Scoreboard

Every forecaster we track for Seven Devils, ranked by average. Our own Dave's Sweater Index (marked ours) is graded right in the mix.

			Record
Tomorrow.io	96.8	2	2R - 0M - 0W
WeatherAPI	94.4	2	2R - 0M - 0W
Dave's Sweater Indexours	91.7	3	3R - 0M - 0W
Google	89.0	2	2R - 0M - 0W
Open-Meteo	84.5	3	3R - 0M - 0W
Visual Crossing	81.4	2	2R - 0M - 0W
National Weather Service	72.7	3	2R - 1M - 0W
MET Norway	69.2	3	1R - 0M - 2W
OpenWeather	48.4	2	0R - 0M - 2W

Tomorrow.io96.8
2R - 0M - 0W | 2 days
WeatherAPI94.4
2R - 0M - 0W | 2 days
Dave's Sweater Indexours91.7
3R - 0M - 0W | 3 days
Google89.0
2R - 0M - 0W | 2 days
Open-Meteo84.5
3R - 0M - 0W | 3 days
Visual Crossing81.4
2R - 0M - 0W | 2 days
National Weather Service72.7
2R - 1M - 0W | 3 days
MET Norway69.2
1R - 0M - 2W | 3 days
OpenWeather48.4
0R - 0M - 2W | 2 days

R: Right, 75+
M: Meh, 60 to 74
W: Wrong, under 60
Trend: 7-day rolling average

Latest scored day | July 22, 2026

Seven Devils's forecasts, graded against what the sky actually did. The math is under each score.

What actually happened

Hi: 74.2° / Lo: 63.1° | Wind: 9.4 mph | Rain: 0.654"

Heavy rain

Tomorrow.ioday's bestFree

97.8/100

Predicted hi / lo

75° / 64.4°

Wind

12.4 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±0.8°

75° → 74.2°

30/30

Low temp · ±1.3°

64.4° → 63.1°

29.1/30

Wind · ±3 mph

12.4 mph → 9.4 mph

20/20

Precip · ±0.17"

0.82" → 0.65"

18.7/20

WeatherAPIFree

92.6/100

Predicted hi / lo

71.1° / 62.8°

Wind

6.9 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±3.1°

71.1° → 74.2°

23.7/30

Low temp · ±0.3°

62.8° → 63.1°

30/30

Wind · ±2.5 mph

6.9 mph → 9.4 mph

20/20

Precip · ±0.16"

0.81" → 0.65"

18.9/20

Visual CrossingFree

87.3/100

Predicted hi / lo

73.8° / 65°

Wind

8.1 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±0.4°

73.8° → 74.2°

30/30

Low temp · ±1.9°

65° → 63.1°

27.3/30

Wind · ±1.3 mph

8.1 mph → 9.4 mph

20/20

Precip · ±1.85"

2.5" → 0.65"

10/20

Open-MeteoFree

85.0/100

Predicted hi / lo

71.5° / 66°

Wind

14.5 mph

Rain

0.567"

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±2.7°

71.5° → 74.2°

24.9/30

Low temp · ±2.9°

66° → 63.1°

24.3/30

Wind · ±5.1 mph

14.5 mph → 9.4 mph

15.8/20

Precip · ±0.09"

0.57" → 0.65"

20/20

GoogleFree

81.2/100

Predicted hi / lo

68.7° / 64.5°

Wind

9 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±5.5°

68.7° → 74.2°

16.5/30

Low temp · ±1.4°

64.5° → 63.1°

28.8/30

Wind · ±0.4 mph

9 mph → 9.4 mph

20/20

Precip · ±0.31"

0.35" → 0.65"

15.9/20

National Weather ServiceFree

63.3/100

Predicted hi / lo

69° / 61°

Wind

6 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±5.2°

69° → 74.2°

17.4/30

Low temp · ±2.1°

61° → 63.1°

26.7/30

Wind · ±3.4 mph

6 mph → 9.4 mph

19.2/20

Precip · ±0.65"

0" → 0.65"

0/20

MET NorwayFree

54.6/100

Predicted hi / lo

68.2° / —°

Wind

8.5 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±6°

68.2° → 74.2°

15/30

Low temp · not published

— → 63.1°

—

Wind · ±0.9 mph

8.5 mph → 9.4 mph

20/20

Precip · ±0.12"

0.78" → 0.65"

19.6/20

OpenWeatherday's worstFree

49.0/100

Predicted hi / lo

68.4° / —°

Wind

6.9 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±5.8°

68.4° → 74.2°

15.6/30

Low temp · not published

— → 63.1°

—

Wind · ±2.5 mph

6.9 mph → 9.4 mph

20/20

Precip · ±0.43"

0.22" → 0.65"

13.4/20

Each forecast is scored out of 100 across four fields, by closeness to the actual recorded conditions. Those fields are high temp (30), low temp (30), wind (20, scored as a range when the source gives one) and precipitation (20, form and amount graded together, snow-aware). Same rubric for every town.

Full methodology | Boone's board

What they're predicting for Seven Devils

Here's what each forecast says for Tuesday, July 28: Logged before the actuals exist. Come back once the day's in to see who was right.

Source	High	Low	Wind	Precip
Open-Meteo	77°	62°	18 mph	No precip
NWSnew	74°	60°	7 mph	Rain
Met.nonew	76°	57°	16 mph	Rain

Open-Meteo

Hi / Lo: 77° / 62°
Wind: 18 mph
Precip: No precip

NWSnew

Hi / Lo: 74° / 60°
Wind: 7 mph
Precip: Rain

Met.nonew

Hi / Lo: 76° / 57°
Wind: 16 mph
Precip: Rain