Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 3%

05:58

15:19

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

Sun - Rise: 07:45, Set: 16:36, Transit: 12:11. Moon - Rise: 05:58, Set: 15:19. Civil Dark: 17:12 - 07:09. Nautical Dark: 17:52 - 06:29. Astro Dark: 18:31 - 05:51

Total Clouds (% Sky Obscured)

0
0
0
46
100
100
94
100
100
100
100
47
66
50
58
54
50
51
75
73
100
100
96
96

Low Clouds (% Sky Obscured)

0
26
45
61
62
81
81
61
56
57
47
38
56
50
51
54
50
51
54
43
78
99
91
91

Medium Clouds (% Sky Obscured)

0
0
0
0
54
44
55
100
100
100
100
47
20
2
3
10
5
0
48
41
90
100
79
64

High Clouds (% Sky Obscured)

0
2
96
100
100
100
100
100
100
100
100
20
3
7
50
3
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
4

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
None
None
None
None
None
None
Snow
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
3
8
28
35
26

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
98
99
95
96
84
83
78
73
69
65
62
62
64
68
73
73
74
76
76
71
77

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1019
1019
1018
1017
1017
1017
1016
1016
1015
1015
1015

Ozone (du)

289
289
288
287
288
274
268
272
275
277
278
278
280
288
293
297
288
285
284
281
283
284
284
283

Wednesday 19

Waning Crescent 1%

07:10

15:38

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:47, Set: 16:35, Transit: 12:11. Moon - Rise: 07:10, Set: 15:38. Civil Dark: 17:11 - 07:11. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:30 - 05:52

Total Clouds (% Sky Obscured)

83
94
97
96
98
100
100
93
98
93
97
98
100
94
96
100
100
100
100
100
100
100
100
92

Low Clouds (% Sky Obscured)

73
89
92
91
90
82
93
88
93
83
86
89
99
86
90
95
89
89
80
83
100
97
68
55

Medium Clouds (% Sky Obscured)

37
41
49
66
87
100
96
55
89
81
92
82
24
44
51
57
100
100
100
100
99
100
100
91

High Clouds (% Sky Obscured)

0
0
0
0
7
0
7
2
7
3
2
57
40
35
32
2
20
30
1
0
0
0
0
0

ISS Passover

Visibility (miles)

3
7
8
9
5
1
0
2
7
4
0
0
0
0
6
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
4
98
98
98
100
99

Precipitation Type

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

Precipitation Probability (%)

17
2
5
11
37
55
55
43
45
51
52
52
36
45
85
75
79
95
74
56
53
62
49
39

Precipitation Amount (mm)

0
0
0
0
0.1
0.3
0.3
0.2
0.2
0.3
0.3
0.4
0.1
0.2
0.9
0.6
0.6
0.9
0.4
0
0
0.3
0
0.1

Wind Speed/Direction (mph)

6
6
6
6
7
8
8
8
8
8
8
8
7
8
9
9
9
8
8
8
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
81
81
78
80
88
94
92
87
91
96
96
96
96
94
94
96
96
96
96
96
96
98
96

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1005
1005
1005
1004
1004
1005
1005
1005

Ozone (du)

281
280
280
277
275
276
276
276
277
277
287
296
301
300
297
298
301
297
294
297
305
316
330
334

Thursday 20

New Moon 0%

08:21

16:02

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

Sun - Rise: 07:48, Set: 16:34, Transit: 12:11. Moon - Rise: 08:21, Set: 16:02. Civil Dark: 17:11 - 07:12. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

97
93
97
90
66
75
73
80
64
47
58
75
74
72
69
65
60
44
40
35
30
20
15
6

Low Clouds (% Sky Obscured)

64
64
70
53
43
53
52
59
54
47
55
64
61
60
52
46
39
15
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
85
42
39
66
75
73
76
30
10
15
9
10
25
50
61
30
42
40
31
4
2
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

0
0
0
8
9
9
9
9
9
9
9
8
9
9
8
9
8
6
9
6
9
9
9
9

Fog (%)

56
91
62
2
1
2
1
1
5
20
8
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 (%)

35
26
20
5
1
1
0
0
0
0
0
0
0
0
5
18
11
4
4
3
4
5
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
7
7
7
7
5
5
5
6
7
8
9
9
8
7
8
7
7
6
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
88
87
86
84
83
89
86
84
84
74
70
72
73
77
83
84
83
83
81
81
81

Pressure (mb)

1005
1006
1006
1007
1007
1008
1008
1009
1010
1011
1011
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

333
329
324
321
325
327
329
329
327
326
329
332
334
331
329
327
325
323
323
323
324
325
334
341

Friday 21

Waxing Crescent 2%

09:30

16:36

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

Sun - Rise: 07:50, Set: 16:33, Transit: 12:12. Moon - Rise: 09:30, Set: 16:36. Civil Dark: 17:10 - 07:13. Nautical Dark: 17:50 - 06:33. Astro Dark: 18:28 - 05:55

Total Clouds (% Sky Obscured)

1
1
1
1
8
17
31
35
46
56
59
57
57
45
33
18
11
6
0
0
1
2
5
11

Low Clouds (% Sky Obscured)

0
0
0
0
8
16
24
32
40
48
49
49
49
36
23
10
7
3
0
0
0
0
2
4

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)

1
0
0
1
0
0
0
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
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
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-6
-6
-5
-5
-4
-5
-5
-4
-4
-4

Relative Humidity (%)

86
89
89
87
89
89
89
91
87
81
77
74
70
65
60
61
69
75
80
81
82
86
87
87

Pressure (mb)

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

Ozone (du)

346
347
344
341
341
343
340
338
336
334
334
336
340
343
345
343
336
335
338
335
332
330
325
320

Saturday 22

Waxing Crescent 5%

10:31

17:21

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

Sun - Rise: 07:52, Set: 16:32, Transit: 12:12. Moon - Rise: 10:31, Set: 17:21. Civil Dark: 17:09 - 07:15. Nautical Dark: 17:49 - 06:35. Astro Dark: 18:28 - 05:56

Total Clouds (% Sky Obscured)

4
4
14
15
15
15
15
15
10
10
10
10
10
15
19
23
22
28
30
100
100
100
95
90

Low Clouds (% Sky Obscured)

1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
4
10

Medium Clouds (% Sky Obscured)

0
0
2
3
0
4
8
10
9
6
10
5
10
7
7
6
8
28
30
100
100
100
95
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
68
35
3
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
0
0
0
0
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
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
1
1
20
32
25
21
3
3
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-4
-4
-5
-5
-5
-5
-5
-5
-4
-4
-3
-4
-3
-4
-3
-3
-4
-4
-5
-4
-4
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
84
84
81
81
89
98
96
92
89
81
77
71
70
74
81
80
79
81
80
81
81

Pressure (mb)

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

Ozone (du)

314
308
306
306
306
308
307
303
300
291
282
283
287
290
294
297
307
311
309
307
306
304
303
300

Sunday 23

Waxing Crescent 10%

11:21

18:18

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:53, Set: 16:31, Transit: 12:12. Moon - Rise: 11:21, Set: 18:18. Civil Dark: 17:08 - 07:16. Nautical Dark: 17:48 - 06:36. Astro Dark: 18:27 - 05:57

Total Clouds (% Sky Obscured)

84
87
89
90
93
96
98
98
98
98
97
96
95
96
96
97
96
94
93
96
98
100
100
100

Low Clouds (% Sky Obscured)

14
33
51
66
75
84
93
93
93
92
91
90
89
90
91
93
92
91
90
89
88
86
83
81

Medium Clouds (% Sky Obscured)

84
87
89
90
93
89
83
78
77
72
59
53
43
34
26
13
28
45
64
72
80
88
72
58

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
5
10
14
17
27
47
47
46
42
41
38
35
33
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
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
0

Precipitation Type

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

Precipitation Probability (%)

0
1
1
0
1
2
1
1
1
1
2
4
4
9
10
12
19
27
36
39
41
43
48
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
3
3
4
4
4
5
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-5
-5
-5
-5
-5
-6
-6
-6
-6
-5
-4
-3
-2
-1
-1
-1
-0
0
0
1
1
1

Relative Humidity (%)

81
81
79
79
78
76
75
72
71
68
66
70
73
75
81
88
92
94
96
98
98
100
98
100

Pressure (mb)

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

Ozone (du)

298
295
295
295
295
292
290
288
287
286
285
286
287
288
286
284
282
282
282
281
281
280
279
280

Monday 24

Waxing Crescent 16%

11:59

19:25

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:55, Set: 16:30, Transit: 12:12. Moon - Rise: 11:59, Set: 19:25. Civil Dark: 17:07 - 07:18. Nautical Dark: 17:48 - 06:37. Astro Dark: 18:26 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
75
63
75
88
99
99
99
99
99
99
99
96
93

Low Clouds (% Sky Obscured)

78
84
92
100
100
99
99
95
92
89
80
72
63
63
62
59
62
66
70
79
87
97
93
89

Medium Clouds (% Sky Obscured)

44
38
37
36
36
35
30
30
31
31
43
40
24
48
72
96
96
96
97
85
83
80
70
56

High Clouds (% Sky Obscured)

22
22
26
31
37
43
58
82
90
96
68
36
5
10
15
20
44
64
89
92
93
94
68
41

ISS Passover

Visibility (miles)

0
0
1
2
3
4
5
6
4
2
0
3
6
9
9
9
9
6
3
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

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

Precipitation Probability (%)

61
69
72
72
77
82
90
92
95
95
95
95
90
78
61
34
38
47
59
88
95
95
95
69

Precipitation Amount (mm)

0.2
0.4
0.4
0.3
0.4
0.5
0.6
0.6
0.6
0.7
0.7
0.6
0.5
0.4
0.3
0
0
0.2
0.3
0.6
0.9
1.1
0.7
0.4

Wind Speed/Direction (mph)

4
4
4
5
5
6
6
6
6
5
5
5
6
7
8
8
9
9
10
10
9
8
8
8

Chance of Frost

Temperature (°C)

1
1
1
1
1
2
2
2
2
2
2
2
3
3
3
3
3
3
2
2
2
2
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
98
96
96
94
94
94
94
93
89
88
85
83
83
88
91
94
96
98
98
98

Pressure (mb)

1010
1009
1008
1007
1007
1006
1005
1004
1003
1003
1002
1001
1001
1001
1000
1000
1000
999
998
998
998
997
997
997

Ozone (du)

282
283
283
282
282
282
281
281
281
281
282
281
280
279
280
281
282
283
284
285
290
296
301
303

Forecast for Anspach, Regierungsbezirk Darmstadt, Germany (50.30,8.50)

Generated: 18/11/25 07:23:42. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00