Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

00:50

18:03

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

Sun - Rise: 06:45, Set: 19:16, Transit: 13:00. Moon - Rise: 00:50, Set: 18:03. Civil Dark: 19:50 - 06:11. Nautical Dark: 20:31 - 05:30. Astro Dark: 21:14 - 04:47

Total Clouds (% Sky Obscured)

93
99
88
88
81
41
55
23
49
61
69
76
78
96
90
85
48
46
44
46
74
95
100
100

Low Clouds (% Sky Obscured)

64
83
75
70
65
66
73
79
73
58
67
76
62
57
59
45
23
20
0
14
0
0
41
40

Medium Clouds (% Sky Obscured)

72
97
12
17
0
0
0
0
0
0
0
43
78
89
70
73
18
15
14
21
41
38
47
52

High Clouds (% Sky Obscured)

2
43
0
0
0
0
0
49
100
61
69
76
70
6
4
4
3
13
3
4
14
31
85
98

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
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

Precipitation Type

Very Light Rain
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 (%)

100
0
0
0
0
0
0
0
0
0
0
0
18
4
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
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)

12
11
13
12
12
9
10
9
11
11
11
12
13
13
14
13
12
12
12
10
8
9
8
7

Chance of Frost

Temperature (°C)

14
13
13
13
13
12
12
12
13
13
15
16
16
16
17
18
18
18
17
16
15
14
14
14

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
10
10
10
10
10
10
10
10
9
7
6
5
5
5
6
6
6
6
6
7

Relative Humidity (%)

80
84
87
85
85
87
85
86
86
82
75
68
62
55
46
43
42
43
48
51
53
57
57
61

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

291
289
292
294
297
298
288
279
278
275
273
269
267
265
262
259
256
254
254
254
255
256
256
256

Thursday 18

Waning Crescent 12%

02:15

18:21

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: 06:46, Set: 19:13, Transit: 13:00. Moon - Rise: 02:15, Set: 18:21. Civil Dark: 19:47 - 06:12. Nautical Dark: 20:28 - 05:32. Astro Dark: 21:11 - 04:49

Total Clouds (% Sky Obscured)

100
99
100
100
100
98
97
93
92
95
99
98
96
98
98
100
99
91
85
97
100
97
99
95

Low Clouds (% Sky Obscured)

68
81
86
100
100
87
76
88
70
83
94
91
87
87
86
100
93
78
77
70
81
85
79
62

Medium Clouds (% Sky Obscured)

96
98
92
98
96
74
25
24
18
45
62
40
50
81
69
62
59
86
78
54
56
47
30
23

High Clouds (% Sky Obscured)

90
82
100
91
89
55
41
6
47
34
52
39
40
40
2
2
2
3
2
0
0
0
73
60

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

Precipitation Probability (%)

2
51
48
33
18
6
6
7
13
26
22
9
5
3
32
28
15
26
24
9
23
15
8
8

Precipitation Amount (mm)

0
0.2
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
8
9
9
9
9
9
9
10
10
10
10
9
10
11
9
9
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

14
14
14
13
14
14
14
14
15
15
16
18
18
18
19
18
18
18
18
18
18
18
18
18

Feels Like (°C)

12
11
11
10
11
12
12
12
13
13
14
16
17
17
17
16
16
16
16
17
17
17
17
17

Dew Point (°C)

7
7
7
7
9
10
10
10
10
11
13
15
15
14
13
12
12
11
10
12
12
13
13
14

Relative Humidity (%)

62
63
63
63
72
76
75
74
75
77
81
83
78
75
68
67
67
65
61
67
69
73
73
74

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021

Ozone (du)

252
252
252
251
250
249
248
248
249
247
244
243
243
244
246
245
245
246
246
245
245
246
246
246

Friday 19

Waning Crescent 6%

03:39

18:33

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 OK
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 Good
22 OK
23 OK

Sun - Rise: 06:48, Set: 19:11, Transit: 12:59. Moon - Rise: 03:39, Set: 18:33. Civil Dark: 19:45 - 06:14. Nautical Dark: 20:26 - 05:33. Astro Dark: 21:08 - 04:51

Total Clouds (% Sky Obscured)

95
92
89
87
91
71
66
78
51
55
62
54
58
37
39
56
76
28
21
41
27
11
33
25

Low Clouds (% Sky Obscured)

62
42
48
52
50
53
66
70
51
55
62
54
58
37
39
40
31
22
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
12
8
7
12
7
29
33
10
7
3
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
67
50
50
40
22
5
3
2
6
19
20
13
3
2
34
65
15
14
33
25
10
28
25

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 (%)

5
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)

7
8
8
8
8
8
7
7
7
9
10
11
11
10
9
9
8
7
5
3
2
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
14
13
13
13
13
12
12
11
10
9
9
8
8
8
9
9
9
9
9
9

Relative Humidity (%)

80
78
78
79
79
79
78
79
77
70
63
56
49
44
40
38
37
37
40
46
49
53
55
58

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

247
247
247
247
247
247
247
248
248
249
250
252
253
253
252
251
250
251
251
251
250
249
250
250

Saturday 20

Waning Crescent 2%

04:58

18:44

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

Sun - Rise: 06:50, Set: 19:09, Transit: 12:59. Moon - Rise: 04:58, Set: 18:44. Civil Dark: 19:43 - 06:16. Nautical Dark: 20:23 - 05:35. Astro Dark: 21:06 - 04:53

Total Clouds (% Sky Obscured)

58
9
7
5
2
2
1
20
31
51
71
73
71
59
62
47
34
32
25
21
23
53
68
75

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
31
51
67
70
71
41
31
18
5
32
25
15
2
0
0
0

High Clouds (% Sky Obscured)

58
9
7
4
1
1
1
20
16
27
35
35
14
11
39
34
34
25
19
14
22
49
65
75

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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
16
16
16
16
16
18
20
23
24
26
27
27
27
27
26
24
23
22
21
20

Feels Like (°C)

18
18
17
17
17
16
16
16
15
17
18
21
22
24
26
25
25
26
25
24
23
23
21
21

Dew Point (°C)

9
9
9
9
9
9
9
10
9
10
10
11
11
10
9
8
8
10
10
11
11
11
12
12

Relative Humidity (%)

59
59
60
61
62
62
64
65
62
57
52
46
43
38
33
30
30
33
38
43
46
50
54
58

Pressure (mb)

1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

250
249
249
249
249
249
249
248
248
249
249
248
249
250
248
248
248
248
249
249
249
249
249
248

Sunday 21

New Moon 0%

06:14

18:53

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: 06:51, Set: 19:06, Transit: 12:59. Moon - Rise: 06:14, Set: 18:53. Civil Dark: 19:40 - 06:17. Nautical Dark: 20:21 - 05:37. Astro Dark: 21:03 - 04:55

Total Clouds (% Sky Obscured)

90
100
100
97
92
88
76
64
75
86
98
94
90
85
88
91
93
89
84
81
48
51
59
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
28
39
39
41
40
49
62
74
56
48
43
33
38
44
56

Medium Clouds (% Sky Obscured)

0
0
2
2
3
6
9
12
16
23
28
28
28
28
36
40
44
51
50
51
23
17
8
14

High Clouds (% Sky Obscured)

89
100
100
97
92
82
64
48
63
79
94
70
39
17
12
6
0
2
3
5
16
15
13
15

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
41
33
10
32

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
3
4
5
6
6
6
7
7
8
10
11
12
13
13
11
11
9
8
6
6
6
5
5

Chance of Frost

Temperature (°C)

20
20
19
19
19
18
18
18
19
21
22
24
26
26
26
25
25
24
23
22
21
21
20
20

Feels Like (°C)

20
19
19
18
18
19
17
17
17
19
21
22
23
24
25
24
23
22
23
23
22
23
22
22

Dew Point (°C)

12
12
11
12
12
13
13
13
13
13
13
12
12
12
13
13
13
13
13
13
13
14
14
14

Relative Humidity (%)

59
60
60
62
66
69
70
71
68
62
55
47
42
41
45
47
48
50
51
56
61
63
65
67

Pressure (mb)

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

Ozone (du)

247
247
247
248
249
249
249
249
250
250
250
251
251
251
251
252
252
252
251
251
252
252
253
254

Monday 22

Waxing Crescent 0%

07:29

19:01

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: 06:53, Set: 19:04, Transit: 12:58. Moon - Rise: 07:29, Set: 19:01. Civil Dark: 19:38 - 06:19. Nautical Dark: 20:18 - 05:39. Astro Dark: 21:00 - 04:57

Total Clouds (% Sky Obscured)

77
85
90
95
100
100
100
100
100
100
99
95
92
88
92
95
97
95
94
96
98
99
99
97

Low Clouds (% Sky Obscured)

68
80
81
82
83
86
89
91
87
81
77
64
50
33
24
18
15
20
32
43
35
28
26
35

Medium Clouds (% Sky Obscured)

16
24
49
74
100
100
100
100
100
100
99
95
91
88
89
89
91
71
50
29
31
31
36
49

High Clouds (% Sky Obscured)

18
23
20
9
0
10
20
30
22
14
11
15
17
16
18
15
22
30
34
39
38
34
33
27

ISS Passover

Visibility (miles)

9
9
9
7
5
3
3
2
2
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
53
67
68
65
95
95
95
95
89
63
46
27
1
1
1
1
4
4
1
4
3
0
0

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.9
1.3
1.5
1.1
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
7
8
11
9
7
5
6
7
9
11
12
14
13
13
12
11
9
8
8
8
8

Chance of Frost

Temperature (°C)

19
19
19
18
17
16
16
15
14
15
15
16
17
18
19
19
19
19
18
17
16
15
15
14

Feels Like (°C)

21
21
21
18
17
16
16
16
16
12
13
14
14
14
14
18
16
15
15
15
14
12
12
13

Dew Point (°C)

12
11
10
10
10
11
11
12
13
12
12
12
11
9
7
8
9
9
9
8
8
7
6
5

Relative Humidity (%)

63
60
57
60
64
68
74
82
90
86
83
78
66
55
46
48
51
53
54
56
57
56
55
55

Pressure (mb)

1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020
1021
1021

Ozone (du)

254
254
254
254
254
254
254
255
255
256
258
259
261
262
263
265
266
268
268
269
269
269
270
270

Tuesday 23

Waxing Crescent 3%

08:42

19:11

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: 06:55, Set: 19:01, Transit: 12:58. Moon - Rise: 08:42, Set: 19:11. Civil Dark: 19:35 - 06:21. Nautical Dark: 20:16 - 05:41. Astro Dark: 20:57 - 04:59

Total Clouds (% Sky Obscured)

93
89
91
95
100
93
87
78
70
62
52
61
71
81
80
79
79
77
75
69
68
67
67
56

Low Clouds (% Sky Obscured)

44
52
55
58
63
54
42
32
28
24
18
23
28
34
37
41
47
45
43
39
53
67
67
56

Medium Clouds (% Sky Obscured)

57
61
56
50
46
30
16
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
15
44
72
100
67
33
0
5
4
8
9
9
10
10
10
5
5
5
5
5
10
10
11

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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
11
11
11
11
12
13
14
15
16
16
16
16
16
16
15
14
14
14
14

Feels Like (°C)

13
12
12
9
9
9
9
9
9
9
9
10
11
11
12
14
14
14
13
14
13
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

55
55
55
56
56
58
58
60
60
56
52
48
46
43
41
41
41
41
43
43
44
44
46
46

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

271
273
274
275
277
278
279
279
280
281
283
284
285
286
287
288
288
289
290
291
291
292
293
294

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 17/09/25 09:50:30. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+2.00