Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

07:57

No Set

15 OK
16 OK
17 OK
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:00, Set: 16:21, Transit: 12:11. Moon - Rise: 07:57, Set: No Set. Civil Dark: 16:57 - 07:24. Nautical Dark: 17:37 - 06:44. Astro Dark: 18:15 - 06:06

Total Clouds (% Sky Obscured)

23
38
41
64
64
63
67
70
70
70
70
70
70
70
70
70
70
70
65
60
50
55
55
55

Low Clouds (% Sky Obscured)

23
38
41
64
64
63
67
70
70
70
70
70
70
70
70
70
70
70
65
60
50
55
55
55

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
0
0

High Clouds (% Sky Obscured)

3
6
5
5
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
1
1
2
7
4
4
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
None
None

Precipitation Probability (%)

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 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)

4
4
4
5
4
4
4
4
4
4
4
4
4
2
2
3
4
3
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

7
5
4
2
2
1
1
1
1
1
1
1
1
0
0
0
-1
-1
-1
-1
0
1
1
1

Feels Like (°C)

7
5
3
1
1
1
1
0
0
1
1
0
-0
0
-0
-1
-2
-1
-2
-1
0
1
0
1

Dew Point (°C)

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

Relative Humidity (%)

73
79
82
81
83
84
86
84
84
83
80
77
77
77
75
75
74
74
70
65
58
53
51
55

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

321
320
318
317
319
319
319
315
315
314
312
308
305
305
303
301
299
294
286
284
275
269
268
269

Friday 19

Waning Crescent 0%

08:51

15:19

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:00, Set: 16:21, Transit: 12:11. Moon - Rise: 08:51, Set: 15:19. Civil Dark: 16:58 - 07:24. Nautical Dark: 17:37 - 06:44. Astro Dark: 18:15 - 06:06

Total Clouds (% Sky Obscured)

50
50
56
58
86
92
96
100
100
97
96
75
63
61
63
77
93
72
58
51
75
60
79
55

Low Clouds (% Sky Obscured)

50
50
56
58
75
75
80
75
75
75
75
75
63
61
63
75
69
54
50
39
44
57
63
55

Medium Clouds (% Sky Obscured)

11
9
1
9
57
63
68
78
88
85
85
53
40
41
45
46
62
27
39
32
33
12
4
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
3
1
5
4
4
3
4
4
39
24
48
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
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
1
3
6
10
74
77
81
52
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
62
65
67
67
65
63
63
62
61
62
65
68
72
75
75
77
77
77
71
66
64
63
63

Pressure (mb)

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

Ozone (du)

269
273
287
303
301
306
312
315
319
319
321
324
328
329
328
327
321
318
315
312
309
306
302
299

Saturday 20

New Moon 2%

09:34

16:13

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

Sun - Rise: 08:01, Set: 16:22, Transit: 12:12. Moon - Rise: 09:34, Set: 16:13. Civil Dark: 16:58 - 07:25. Nautical Dark: 17:38 - 06:45. Astro Dark: 18:16 - 06:07

Total Clouds (% Sky Obscured)

43
47
79
49
44
49
69
97
100
96
100
96
100
100
98
92
100
42
38
35
36
42
39
43

Low Clouds (% Sky Obscured)

43
47
62
49
44
49
69
70
70
70
75
60
55
45
40
40
40
40
38
35
36
42
39
43

Medium Clouds (% Sky Obscured)

2
2
2
2
1
0
2
3
8
3
4
4
6
5
6
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
21
62
14
1
3
25
60
65
58
39
35
35
35
29
26
25
5
4
4
4
5
5
9

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
1
1
2
0
63
54
63
66
77
80
72
100
100
100
100
100
100
100
100

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-3
-3
-3
-3
-4
-4
-4
-4
-3

Relative Humidity (%)

69
77
81
81
83
81
80
80
80
81
81
81
83
83
84
87
87
87
84
77
70
66
64
65

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1012
1011
1011

Ozone (du)

296
293
291
292
294
295
293
290
291
291
291
292
292
290
289
290
290
289
287
288
288
289
289
289

Sunday 21

Waxing Crescent 6%

10:08

17:17

15 Bad
16 OK
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:01, Set: 16:22, Transit: 12:12. Moon - Rise: 10:08, Set: 17:17. Civil Dark: 16:59 - 07:25. Nautical Dark: 17:38 - 06:45. Astro Dark: 18:16 - 06:07

Total Clouds (% Sky Obscured)

61
41
57
52
50
64
89
91
89
93
90
86
85
99
100
100
100
92
98
100
100
95
100
99

Low Clouds (% Sky Obscured)

45
40
40
40
45
45
45
40
40
45
50
45
45
45
50
55
70
70
70
65
65
55
65
60

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
0
0

High Clouds (% Sky Obscured)

20
7
18
14
12
34
63
65
64
70
57
58
55
77
89
100
100
88
97
100
100
94
91
81

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

6
6
6
6
6
6
6
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
80
86
88
88
88
88
88
88
86
86
86
86
86
86
84
84
84
83
76
72
68
66
67

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

288
286
286
285
286
285
285
283
281
281
281
281
284
286
292
299
309
315
318
331
348
345
335
321

Monday 22

Waxing Crescent 12%

10:34

18:27

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:02, Set: 16:23, Transit: 12:13. Moon - Rise: 10:34, Set: 18:27. Civil Dark: 16:59 - 07:25. Nautical Dark: 17:39 - 06:46. Astro Dark: 18:17 - 06:08

Total Clouds (% Sky Obscured)

91
94
98
98
98
99
100
100
100
100
100
99
99
99
99
100
100
100
100
97
95
92
96
98

Low Clouds (% Sky Obscured)

60
50
55
59
64
65
61
56
56
56
52
43
39
35
31
22
27
23
23
26
32
36
54
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
21
41
63
70
81
88
80
72
64
75
81
77
53
32

High Clouds (% Sky Obscured)

67
57
51
49
62
74
88
93
97
100
93
86
82
84
79
76
74
70
63
46
25
12
6
6

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

4
4
4
4
3
3
3
2
2
2
3
3
4
5
5
5
5
5
6
6
6
7
7
6

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
2
2
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

-1
-0
0
0
0
0
0
0
0
0
0
0
0
0
-0
-0
0
0
0
0
0
0
0
1

Relative Humidity (%)

73
80
85
86
86
86
88
88
89
89
89
91
91
91
91
91
93
91
89
88
85
80
79
80

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

325
329
333
339
351
368
380
386
391
397
398
397
396
395
394
393
392
392
393
393
392
391
390
391

Tuesday 23

Waxing Crescent 12%

10:54

19:41

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:02, Set: 16:23, Transit: 12:13. Moon - Rise: 10:54, Set: 19:41. Civil Dark: 17:00 - 07:26. Nautical Dark: 17:40 - 06:46. Astro Dark: 18:17 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95

Low Clouds (% Sky Obscured)

75
86
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
93

Medium Clouds (% Sky Obscured)

18
10
5
2
3
3
3
6
9
13
28
43
57
71
81
92
69
44
14
13
21
20
30
37

High Clouds (% Sky Obscured)

5
5
5
9
13
21
16
12
16
19
26
18
13
16
18
20
19
18
16
62
70
70
71
79

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
6
8
10
10
11
12
14
18
23
26
29
34
33
32
34
28
21
13
14
11
0
3
3

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)

6
6
5
5
5
5
6
6
6
5
5
5
5
5
5
5
6
6
6
7
7
7
8
8

Chance of Frost

Temperature (°C)

4
4
3
3
3
2
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
86
85
85
86
86
86
86
86
86
86
86
88
91
93
93
93
91
91
91
91
91

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

392
393
392
391
390
391
391
392
393
393
394
395
396
396
395
394
393
391
389
387
387
387
387
388

Wednesday 24

Waxing Crescent 19%

11:11

20:55

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

Sun - Rise: 08:03, Set: 16:24, Transit: 12:14. Moon - Rise: 11:11, Set: 20:55. Civil Dark: 17:00 - 07:26. Nautical Dark: 17:40 - 06:46. Astro Dark: 18:18 - 06:08

Total Clouds (% Sky Obscured)

92
90
87
85
88
91
94
95
97
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

90
90
87
85
88
91
94
95
97
98
98
99
100
100
100
100

Medium Clouds (% Sky Obscured)

45
43
46
45
40
20
15
5
5
5
5
5
9
18
28
19

High Clouds (% Sky Obscured)

75
75
80
85
75
80
80
70
60
40
29
23
15
16
20
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
2

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
3
4
3
6
7
6
12
14
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
8
9
9
9
10
9
9
9
10
10
10
9
9

Chance of Frost

Temperature (°C)

3
3
3
3
2
2
2
1
1
1
1
1
1
0
0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
89
89
88
86
84
86
88
88
88
89
89
92
94

Pressure (mb)

1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

390
391
394
397
400
401
402
403
400
397
394
394
395
395
394
393

Forecast for Graggenau, Upper Bavaria, Germany (48.14,11.58)

Generated: 18/12/25 15:21:56. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+1.00