Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 2%

10:19

16:44

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 Bad
01 OK
02 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 07:45, Set: 16:37, Transit: 12:10. Moon - Rise: 10:19, Set: 16:44. Civil Dark: 17:12 - 07:09. Nautical Dark: 17:51 - 06:30. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

92
94
98
100
100
95
100
98
92
96
94
74
48
49
33
29
17
1
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

43
34
58
57
51
24
18
21
26
26
30
26
26
29
27
28
16
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

83
94
98
100
100
84
100
92
80
81
80
46
12
28
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
12
4
4
2
34
35
18
17
16
1
2
1
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
1
0
0
1
0
4
1
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)

7
8
9
10
9
8
7
7
7
6
5
5
5
4
4
3
3
3
2
2
1
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-6
-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-8
-8
-9
-9
-10
-10
-11
-12

Relative Humidity (%)

78
71
67
63
63
68
74
75
75
78
79
78
81
82
82
79
79
76
76
74
73
70
61
52

Pressure (mb)

1021
1020
1021
1021
1021
1022
1023
1024
1024
1025
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1030
1030
1030

Ozone (du)

342
340
338
338
338
337
337
339
340
341
340
340
340
338
335
332
329
326
322
318
318
318
316
312

Saturday 22

Waxing Crescent 5%

No Rise

17:29

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

Sun - Rise: 07:46, Set: 16:36, Transit: 12:10. Moon - Rise: No Rise, Set: 17:29. Civil Dark: 17:11 - 07:11. Nautical Dark: 17:50 - 06:32. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
6
20
60
54
51
35
10
10
18
88
89
74
67
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
35
30
29
23
2
2
2
2
55
71
55
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
11
30
1
2
0
6
3
17
88
89
74
30
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-13
-12
-12
-10
-9
-10
-10
-11
-11
-11
-10
-10
-11
-12
-12
-12
-11
-11
-11
-10
-11
-12

Relative Humidity (%)

46
41
38
38
40
48
55
57
58
56
57
60
64
61
60
56
57
60
61
62
61
62
58
47

Pressure (mb)

1029
1029
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1023
1023
1022
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

307
303
301
301
299
293
288
288
297
310
309
304
303
301
300
301
301
300
298
295
288
286
286
288

Sunday 23

Waxing Crescent 10%

11:10

18:26

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:48, Set: 16:35, Transit: 12:11. Moon - Rise: 11:10, Set: 18:26. Civil Dark: 17:11 - 07:12. Nautical Dark: 17:50 - 06:33. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

95
100
95
90
77
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
80
69
82
43
36
85
85
93
78
87
87
83
95
100
99
99
100
100
99
99
98
97
92

Medium Clouds (% Sky Obscured)

90
100
94
77
18
67
64
25
82
100
97
100
100
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

36
17
5
35
60
60
65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
4
7
9
9
9
9
9
9
9
7
5
9
7
6
5
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
0

Precipitation Type

None
None
None
None
None
None
Snow
None
Light Rain
None
None
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
5
11
5
0
17
45
46
84
37
52
79
80
82
87
95
93
95
94
85
66
78
69
62

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0.6
0
0
0.4
0.3
0.4
0.5
0.7
0.6
0.6
0.6
0.4
0.3
0.5
0.3
0.3

Wind Speed/Direction (mph)

7
6
6
6
7
8
9
10
11
10
11
8
7
6
5
4
4
4
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-6
-5
-5
-5
-6
-6
-6
-5
-5
-3
-3
-2
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1

Dew Point (°C)

-13
-14
-15
-13
-11
-10
-9
-7
-4
-1
-2
-1
0
0
-0
0
0
1
1
2
1
2
2
2

Relative Humidity (%)

41
37
35
40
45
47
52
61
78
89
86
89
93
94
94
96
96
96
96
96
98
98
98
98

Pressure (mb)

1017
1015
1014
1013
1012
1011
1010
1009
1008
1007
1006
1006
1005
1004
1004
1004
1003
1003
1002
1002
1002
1002
1002
1001

Ozone (du)

291
286
281
281
280
281
280
278
275
274
274
273
272
275
274
274
274
275
278
278
279
279
283
286

Monday 24

Waxing Crescent 16%

11:49

19:33

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:49, Set: 16:34, Transit: 12:11. Moon - Rise: 11:49, Set: 19:33. Civil Dark: 17:10 - 07:13. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:27 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
80
66
77
90
99
100
100
100
100
100
100
98
96
95
94

Low Clouds (% Sky Obscured)

88
86
84
72
84
80
73
65
60
55
46
43
57
63
74
86
97
85
76
62
71
81
88
88

Medium Clouds (% Sky Obscured)

75
100
100
99
99
99
100
100
90
77
65
76
85
97
74
74
75
75
76
77
63
41
22
40

High Clouds (% Sky Obscured)

100
100
87
73
60
66
51
82
66
35
11
2
3
4
33
62
90
91
90
90
73
53
33
42

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

59
44
49
90
95
95
95
95
93
89
35
41
70
36
20
24
15
16
15
11
18
21
22
28

Precipitation Amount (mm)

0.3
0
0
0.4
0.9
1.1
1.9
2.5
0.9
0.8
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
98
98
98
100
98
100
98
98
98
96
98
96
94
92
92
92
93
93
91

Pressure (mb)

1001
1000
1000
999
999
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1004
1004
1004
1004
1005
1005
1006
1006

Ozone (du)

289
290
288
289
290
295
298
297
299
304
305
305
306
305
307
307
307
308
310
312
313
314
316
319

Tuesday 25

Waxing Crescent 24%

12:19

20:45

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:50, Set: 16:34, Transit: 12:11. Moon - Rise: 12:19, Set: 20:45. Civil Dark: 17:09 - 07:15. Nautical Dark: 17:49 - 06:35. Astro Dark: 18:26 - 05:58

Total Clouds (% Sky Obscured)

94
94
91
91
91
93
93
94
95
97
98
99
99
100
100
100
100
100
100
99
99
100
100
99

Low Clouds (% Sky Obscured)

89
89
85
83
78
76
72
68
74
80
85
89
93
96
95
93
92
94
93
92
93
96
100
96

Medium Clouds (% Sky Obscured)

72
41
27
19
16
26
66
27
56
56
32
37
85
94
89
81
72
81
90
99
99
100
100
99

High Clouds (% Sky Obscured)

27
3
4
9
6
33
50
56
53
60
55
55
65
72
80
86
92
76
54
36
39
38
32
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
1
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
Snow
Snow
None
Snow
None
Snow
Snow

Precipitation Probability (%)

31
31
38
38
30
25
18
22
31
35
57
75
54
31
51
46
33
42
38
34
38
36
40
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
86
91
94
98
98
98
98
98
100
100
100
96
98
98
98
98
98
98
98
98
98

Pressure (mb)

1007
1007
1007
1007
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017

Ozone (du)

320
320
321
321
323
325
319
315
315
310
309
306
306
308
308
309
310
311
312
313
313
314
314
315

Wednesday 26

Waxing Crescent 34%

12:43

21:59

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:52, Set: 16:33, Transit: 12:12. Moon - Rise: 12:43, Set: 21:59. Civil Dark: 17:09 - 07:16. Nautical Dark: 17:48 - 06:37. Astro Dark: 18:26 - 05:59

Total Clouds (% Sky Obscured)

99
98
99
100
100
100
99
99
98
97
97
96
96
97
96
96
94
93
94
93
92
93
94
89

Low Clouds (% Sky Obscured)

92
87
91
94
97
93
91
89
91
96
96
94
93
93
91
89
88
90
92
93
92
93
94
89

Medium Clouds (% Sky Obscured)

98
94
95
97
100
98
96
95
83
71
51
39
37
35
27
21
12
29
50
60
62
49
38
23

High Clouds (% Sky Obscured)

18
16
38
58
80
56
32
9
7
9
21
23
27
28
34
37
47
44
38
50
57
70
79
56

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
2
3
5
6
7
9
7
6
5
6
8
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
41
45
40
38
40
34
31
31
29
22
26
24
12
19
16
7
13
8
4
3
2
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
98
98
98
98
98
98
96
98
98
96
96
94
94
94
92
91
89
87
86
86

Pressure (mb)

1017
1017
1018
1018
1018
1019
1020
1020
1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027

Ozone (du)

315
315
315
316
317
317
319
320
322
321
321
321
324
328
331
329
327
324
320
315
310
310
310
309

Thursday 27

Waxing Crescent 44%

13:02

23:15

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

Sun - Rise: 07:53, Set: 16:32, Transit: 12:12. Moon - Rise: 13:02, Set: 23:15. Civil Dark: 17:08 - 07:17. Nautical Dark: 17:47 - 06:38. Astro Dark: 18:25 - 06:00

Total Clouds (% Sky Obscured)

85
79
81
83
87
80
71
64
56
50
28
18
9
4
5
12
20
30
31
28

Low Clouds (% Sky Obscured)

85
79
81
83
87
80
71
64
56
50
28
18
9
4
5
12
20
30
28
23

Medium Clouds (% Sky Obscured)

10
0
0
0
0
0
0
0
0
1
2
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

27
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
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

Fog (%)

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

Precipitation Probability (%)

3
3
7
7
4
7
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
78
80
80
80
81
83
84
86
87
87
91
92
94
92
92
92
92
91

Pressure (mb)

1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027

Ozone (du)

310
311
312
313
313
314
313
313
313
314
315
316
316
317
317
317
316
316
315
314

Forecast for Friolzheim, Karlsruhe Region, Germany (48.84,8.84)

Generated: 21/11/25 10:58:32. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+1.00