Tracking since July 19, 2026 | 1 of 9 days

Right Ray / Wrong Ray | Sugar Grove

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

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

Sugar Grove's forecast

Switch town

This board is provisional. Sugar Grove has 1 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.

Sugar Grove Scoreboard

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

			Record	Trend
Dave's Sweater Indexours	92.1	1	1R - 0M - 0W	—
Open-Meteo	88.8	1	1R - 0M - 0W	—
National Weather Service	76.9	1	1R - 0M - 0W	—
MET Norway	63.7	1	0R - 1M - 0W	—

Dave's Sweater Indexours92.1
1R - 0M - 0W | 1 days—
Open-Meteo88.8
1R - 0M - 0W | 1 days—
National Weather Service76.9
1R - 0M - 0W | 1 days—
MET Norway63.7
0R - 1M - 0W | 1 days—

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

Latest scored day | July 19, 2026

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

What actually happened

Hi: 78.1° / Lo: 68.4° | Wind: 9.1 mph | Rain: 0.236"

Moderate rain

Open-Meteoday's bestFree

88.8/100

Predicted hi / lo

80.4° / 65.6°

Wind

9.7 mph

Rain

0.043"

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±2.3°

80.4° → 78.1°

26.1/30

Low temp · ±2.8°

65.6° → 68.4°

24.6/30

Wind · ±0.6 mph

9.7 mph → 9.1 mph

20/20

Precip · ±0.19"

0.04" → 0.24"

18.1/20

National Weather ServiceFree

76.9/100

Predicted hi / lo

80° / 64°

Wind

6 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±1.9°

80° → 78.1°

27.3/30

Low temp · ±4.4°

64° → 68.4°

19.8/30

Wind · ±3.1 mph

6 mph → 9.1 mph

19.8/20

Precip · —

— → 0.24"

10/20

MET Norwayday's worstFree

63.7/100

Predicted hi / lo

75° / —°

Wind

12.1 mph

Rain

—

Show the math ↓

Field

Predicted → actual

Pts

High temp · ±3.1°

75° → 78.1°

23.7/30

Low temp · not published

— → 68.4°

—

Wind · ±3 mph

12.1 mph → 9.1 mph

20/20

Precip · ±0.02"

0.22" → 0.24"

20/20

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 Sugar Grove

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	84°	65°	14 mph	Rain
NWSnew	82°	63°	2 mph	No precip
Met.nonew	80°	64°	16 mph	Rain

Open-Meteo

Hi / Lo: 84° / 65°
Wind: 14 mph
Precip: Rain

NWSnew

Hi / Lo: 82° / 63°
Wind: 2 mph
Precip: No precip

Met.nonew

Hi / Lo: 80° / 64°
Wind: 16 mph
Precip: Rain