Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 3%

09:11

18:02

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Good
02 OK
03 Good
04 Good
05 Good
06 Good
07 OK

Sun - Rise: 07:36, Set: 16:44, Transit: 12:10. Moon - Rise: 09:11, Set: 18:02. Civil Dark: 17:16 - 07:04. Nautical Dark: 17:51 - 06:29. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

94
93
98
92
92
91
88
86
83
81
86
83
81
70
44
27
28
14
27
18
12
12
11
28

Low Clouds (% Sky Obscured)

84
87
91
92
92
91
88
86
83
81
86
83
79
69
44
27
28
14
26
18
11
9
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
4

ISS Passover

Visibility (miles)

9
9
5
2
3
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
1
1
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
2
16
7
5
6
3
0
3
3
0
0
0
0
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
14
14
14
15
15
14
13
12
11
11
11
10
10
8
7
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

-4
-5
-6
-6
-7
-6
-7
-7
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9

Feels Like (°C)

-10
-11
-12
-13
-13
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-13
-12
-12
-12
-13
-12
-12
-11
-12

Dew Point (°C)

-8
-9
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-11
-11
-11
-12
-11
-11
-11

Relative Humidity (%)

73
73
69
71
71
67
66
67
70
72
72
75
75
77
77
77
78
82
82
83
82
83
83
83

Pressure (mb)

1020
1022
1023
1024
1025
1025
1026
1027
1028
1029
1030
1031
1032
1032
1032
1033
1033
1033
1034
1034
1034
1034
1034
1035

Ozone (du)

295
301
308
315
321
322
316
312
311
311
314
315
318
319
336
344
350
350
347
335
332
330
329
339

Monday 22

Waxing Crescent 7%

09:47

19:08

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:36, Set: 16:45, Transit: 12:10. Moon - Rise: 09:47, Set: 19:08. Civil Dark: 17:16 - 07:05. Nautical Dark: 17:51 - 06:30. Astro Dark: 18:25 - 05:56

Total Clouds (% Sky Obscured)

80
94
83
78
90
89
95
99
98
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
3
1
0
2
13
54
82
80
73
52
77
76
100
98
100
96
97
100
100
99
96
100

Medium Clouds (% Sky Obscured)

30
26
73
74
35
75
88
93
92
92
100
100
100
100
100
100
100
94
91
94
100
99
100
97

High Clouds (% Sky Obscured)

25
37
30
3
20
38
33
75
21
23
26
32
27
100
100
100
100
100
100
42
100
100
96
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
9
9
9
1
4
9
9
6
1
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
12
5
8
24
36
46
21
59
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0.2
0.6
0.9
0.7
0.7
1.1
1
0.9
0.9

Wind Speed/Direction (mph)

4
5
5
7
8
8
7
6
6
5
4
4
4
4
3
3
3
3
3
4
4
5
5
4

Chance of Frost

Temperature (°C)

-9
-8
-6
-5
-3
-3
-2
-2
-2
-2
-2
-2
-2
-3
-4
-3
-3
-4
-3
-3
-3
-3
-3
-3

Feels Like (°C)

-11
-11
-10
-9
-8
-8
-7
-6
-6
-6
-6
-6
-6
-7
-7
-6
-6
-7
-6
-6
-7
-6
-6
-6

Dew Point (°C)

-11
-11
-11
-10
-11
-11
-11
-9
-8
-7
-8
-8
-7
-6
-7
-7
-6
-6
-4
-4
-4
-3
-3
-3

Relative Humidity (%)

87
79
71
64
55
52
52
58
63
67
65
64
68
84
79
78
82
86
92
94
94
96
96
94

Pressure (mb)

1035
1035
1035
1034
1033
1031
1031
1031
1031
1030
1030
1030
1029
1029
1027
1028
1027
1026
1025
1024
1023
1022
1021
1021

Ozone (du)

337
334
328
326
325
322
321
322
319
315
311
308
301
301
301
301
299
293
292
294
293
295
294
294

Tuesday 23

Waxing Crescent 13%

10:17

20:15

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:37, Set: 16:45, Transit: 12:11. Moon - Rise: 10:17, Set: 20:15. Civil Dark: 17:17 - 07:05. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
96
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
90
91

Medium Clouds (% Sky Obscured)

90
97
68
48
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
12

High Clouds (% Sky Obscured)

45
26
37
20
3
7
4
3
14
9
2
29
26
2
4
19
20
20
20
20
20
20
20
34

ISS Passover

Visibility (miles)

0
0
0
0
0
4
9
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9

Fog (%)

6
5
2
1
4
0
0
0
0
0
26
69
29
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
82
70
69
29
19
18
14
12
2
0
0
0
0
0
3
2
1
1
0
2
2
0
0

Precipitation Amount (mm)

0.7
0.5
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
5
5
6
6
6
8
9
9
10
11
11
12
12
13
14
13
12
11

Chance of Frost

Temperature (°C)

-2
-2
-2
-1
-0
0
1
1
1
1
1
1
0
0
-0
-0
-1
-1
-1
-1
-1
-1
-2
-2

Feels Like (°C)

-6
-5
-5
-4
-3
-2
-3
-3
-3
-2
-3
-3
-3
-4
-5
-4
-5
-5
-5
-6
-7
-7
-7
-8

Dew Point (°C)

-3
-3
-2
-2
-1
-0
0
1
1
1
1
0
0
-0
-1
-1
-1
-1
-1
-2
-3
-3
-4
-4

Relative Humidity (%)

96
96
96
94
94
96
96
98
98
98
100
98
98
98
98
98
98
98
96
92
84
87
86
84

Pressure (mb)

1020
1020
1020
1019
1018
1017
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1022
1022
1023
1024
1025
1026

Ozone (du)

293
294
293
295
293
293
291
291
290
289
290
289
286
285
287
291
290
288
289
288
287
285
284
283

Wednesday 24

Waxing Crescent 21%

10:43

21:23

08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:37, Set: 16:46, Transit: 12:11. Moon - Rise: 10:43, Set: 21:23. Civil Dark: 17:17 - 07:06. Nautical Dark: 17:53 - 06:31. Astro Dark: 18:26 - 05:57

Total Clouds (% Sky Obscured)

39
44
42
41
39
37
79
80
90
93
93
95
98
99
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
24
15
13
9
6
6
3
4
6
10
20
2
4
7
50
65
70
83
100
100
100
100
100

Medium Clouds (% Sky Obscured)

18
27
38
41
39
37
44
38
67
61
68
60
59
56
65
81
94
83
73
59
55
70
81
40

High Clouds (% Sky Obscured)

36
44
39
20
1
1
8
12
10
15
25
39
60
77
84
93
100
75
57
23
0
0
2
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
6
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
33
35
38
29
43
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

9
8
8
7
6
5
4
3
2
2
2
3
3
3
4
4
3
4
4
3
4
3
3
3

Chance of Frost

Temperature (°C)

-2
-2
-2
-1
-1
0
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
1
1
1
1

Feels Like (°C)

-7
-5
-5
-4
-3
-2
-2
-2
-2
-3
-3
-4
-4
-3
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2

Dew Point (°C)

-4
-4
-5
-5
-5
-5
-5
-4
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-2
-2
-1
-0
0
1

Relative Humidity (%)

84
84
79
75
71
69
69
74
87
92
94
89
91
92
89
91
91
86
84
86
89
93
94
98

Pressure (mb)

1027
1028
1028
1028
1027
1026
1026
1026
1026
1026
1027
1026
1025
1025
1023
1023
1022
1021
1020
1019
1018
1018
1018
1018

Ozone (du)

282
283
284
283
282
281
280
279
280
277
277
278
281
282
282
281
283
281
279
275
273
271
272
269

Thursday 25

Waxing Crescent 30%

11:05

22:31

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:37, Set: 16:47, Transit: 12:12. Moon - Rise: 11:05, Set: 22:31. Civil Dark: 17:18 - 07:06. Nautical Dark: 17:53 - 06:31. Astro Dark: 18:27 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
95
92
95
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
90
87
93
97
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

20
0
0
3
29
26
14
24
35
42
47
62
79
100
100
100
100
96
92
89
93
96
100
99

High Clouds (% Sky Obscured)

55
55
63
75
100
99
97
100
86
76
77
85
94
100
100
100
100
98
97
91
77
65
62
57

ISS Passover

Visibility (miles)

6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
6
11
2
0
3
21
10
18
11
25
30
29
32
37
39
42
80
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
1
1.7
1.3
1.1
1
1.4

Wind Speed/Direction (mph)

3
2
3
3
3
3
3
2
1
2
2
3
3
3
3
4
5
5
6
7
7
8
8
9

Chance of Frost

Temperature (°C)

1
1
2
2
2
2
2
2
2
2
1
1
1
2
2
2
3
3
3
3
3
4
5
6

Feels Like (°C)

-2
-2
-1
-1
-0
0
-0
-1
0
-1
-1
-1
-1
-1
-1
-1
-1
0
1
-0
-0
-2
-3
-4

Dew Point (°C)

1
1
2
2
2
2
2
2
2
2
1
1
1
2
2
2
3
3
3
3
3
4
5
6

Relative Humidity (%)

98
98
100
100
100
100
100
98
100
100
98
100
98
100
100
100
100
100
100
100
100
98
98
98

Pressure (mb)

1018
1018
1019
1018
1017
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1012
1011
1010
1008
1007
1005
1004
1002
1000

Ozone (du)

269
269
270
269
267
267
268
269
269
268
268
267
267
267
266
265
264
263
263
262
262
262
262
262

Friday 26

Waxing Crescent 41%

11:26

23:40

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:38, Set: 16:47, Transit: 12:12. Moon - Rise: 11:26, Set: 23:40. Civil Dark: 17:19 - 07:06. Nautical Dark: 17:54 - 06:31. Astro Dark: 18:28 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
93
94
89
86
86
86
81
78

Low Clouds (% Sky Obscured)

99
99
99
98
97
98
99
100
100
100
100
100
100
100
98
96
93
94
89
86
86
86
81
78

Medium Clouds (% Sky Obscured)

99
98
91
68
48
40
36
31
18
9
0
0
0
0
0
0
0
0
0
0
0
0
1
3

High Clouds (% Sky Obscured)

73
100
67
33
0
1
1
2
8
12
12
3
5
0
0
0
0
0
0
0
0
0
0
27

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
2
3
3
3
3
3
3
4
6
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Sleet
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
85
41
29
23
17
15
12
10
9
7
5
3
0
0
0
0
0
1

Precipitation Amount (mm)

2
2.7
2.5
2
1.8
1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
10
11
13
14
15
16
15
15
14
13
12
11
10
9
8
7
6
5
4
3
3

Chance of Frost

Temperature (°C)

6
7
7
7
7
7
5
3
0
-2
-4
-5
-6
-8
-8
-9
-9
-9
-10
-10
-10
-10
-10
-10

Feels Like (°C)

5
6
6
8
10
11
1
-0
-2
-4
-5
-5
-12
-13
-14
-14
-14
-14
-15
-15
-14
-14
-14
-14

Dew Point (°C)

6
6
6
7
7
7
3
1
-2
-4
-7
-8
-9
-10
-11
-12
-13
-13
-14
-15
-16
-16
-16
-16

Relative Humidity (%)

98
96
96
96
96
96
91
88
83
83
81
79
79
80
78
77
74
72
68
65
61
61
59
57

Pressure (mb)

1000
1000
1000
1000
1000
1000
1002
1005
1007
1009
1012
1014
1016
1017
1019
1019
1020
1021
1022
1023
1023
1024
1025
1025

Ozone (du)

263
264
265
269
274
278
287
296
305
310
316
321
322
324
325
330
334
339
341
343
345
344
343
342

Saturday 27

First Quarter 52%

11:47

00:50

08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:38, Set: 16:48, Transit: 12:13. Moon - Rise: 11:47, Set: 00:50. Civil Dark: 17:19 - 07:06. Nautical Dark: 17:54 - 06:31. Astro Dark: 18:28 - 05:58

Total Clouds (% Sky Obscured)

50
46
53
70
95
90
90
83
87
92
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
46
53
70
95
90
84
76
77
59
45
39
31
26
40
56
74

Medium Clouds (% Sky Obscured)

3
5
34
63
92
66
41
16
27
37
40
54
67
80
85
93
100

High Clouds (% Sky Obscured)

47
46
53
70
81
90
90
83
87
92
94
97
99
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
22
43
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

3
3
4
4
4
4
4
4
4
5
5
5
6
7
7
7
6

Chance of Frost

Temperature (°C)

-9
-8
-8
-6
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3

Feels Like (°C)

-13
-11
-11
-11
-11
-10
-7
-7
-8
-8
-7
-7
-9
-9
-8
-8
-8

Dew Point (°C)

-16
-16
-16
-16
-15
-15
-14
-13
-12
-12
-11
-11
-11
-11
-10
-9
-9

Relative Humidity (%)

55
52
51
47
45
43
45
49
52
54
57
60
59
60
60
60
59

Pressure (mb)

1026
1026
1027
1026
1025
1024
1024
1024
1023
1023
1023
1023
1022
1022
1021
1020
1019

Ozone (du)

340
338
336
335
334
332
330
328
325
325
324
323
324
324
325
326
327

Forecast for Ice Mine, Potter County, United States of America (41.73,-77.93)

Generated: 21/12/25 08:46:43. Forecast: 21/12/25 to 27/12/25. Timezone: UTC-5.00