Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

04:13

18:55

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

Sun - Rise: 07:15, Set: 19:36, Transit: 13:26. Moon - Rise: 04:13, Set: 18:55. Civil Dark: 20:09 - 06:43. Nautical Dark: 20:47 - 06:04. Astro Dark: 21:27 - 05:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
21
23
11
14
92
25
4
0
0
0
1
1
1
8
1
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
32
11
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
0
0
0
0
0
0
0
0
0
0
1
1
1
8
1
17

High Clouds (% Sky Obscured)

0
1
11
15
4
2
2
9
3
23
11
13
91
10
2
0
0
0
0
0
0
0
0
63

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
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
1
6
4
5
4
4
4
3
4
4
5
6
7
7
7
8
6
5
5
5
5
4
5

Chance of Frost

Temperature (°C)

13
12
14
13
13
12
12
13
12
15
18
19
21
22
23
24
24
24
23
21
18
17
16
16

Feels Like (°C)

15
15
15
15
14
13
13
14
13
16
18
20
21
21
22
24
24
25
24
22
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

91
92
80
83
83
85
83
90
84
74
62
53
46
41
40
39
39
44
54
68
73
75
77
75

Pressure (mb)

1025
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1021
1022
1022
1022
1021

Ozone (du)

257
254
257
257
258
258
258
255
255
254
253
253
253
253
253
253
252
251
251
252
252
252
252
252

Saturday 20

Waning Crescent 2%

05:30

19:07

00 Bad
01 Good
02 OK
03 Bad
04 Bad
05 OK
06 Bad
07 Good
08 Good
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

Sun - Rise: 07:16, Set: 19:34, Transit: 13:25. Moon - Rise: 05:30, Set: 19:07. Civil Dark: 20:06 - 06:44. Nautical Dark: 20:45 - 06:06. Astro Dark: 21:25 - 05:26

Total Clouds (% Sky Obscured)

82
2
45
84
63
37
79
11
13
20
94
66
58
100
100
100
100
100
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
0
0
0
16
0
20
28
16
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
19
70
4
2
14
31
41
39
80
100
100
78
75
100
96
92
84
88
60

High Clouds (% Sky Obscured)

82
2
45
75
57
37
42
7
13
16
87
41
33
100
100
100
100
100
81
100
58
98
98
100

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
1
9
24
36

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
5
5
5
5
5
5
5
6
6
8
10
10
11
11
10
10
7
7
5
5
5
5
6

Chance of Frost

Temperature (°C)

15
15
15
15
14
14
14
14
14
18
19
21
22
22
23
22
22
21
22
21
20
20
20
19

Feels Like (°C)

16
15
15
14
15
14
13
12
14
17
19
20
21
20
22
21
21
21
22
21
20
20
20
19

Dew Point (°C)

11
10
11
11
11
10
11
10
11
13
13
13
13
14
16
14
15
15
17
17
18
18
18
17

Relative Humidity (%)

74
74
75
76
79
80
80
79
80
76
67
61
57
60
64
61
64
66
73
80
88
92
92
89

Pressure (mb)

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

Ozone (du)

251
250
251
252
252
251
250
250
250
249
249
250
251
251
250
250
251
252
254
256
257
257
257
258

Sunday 21

New Moon 0%

06:43

19:19

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: 07:18, Set: 19:32, Transit: 13:25. Moon - Rise: 06:43, Set: 19:19. Civil Dark: 20:04 - 06:46. Nautical Dark: 20:42 - 06:07. Astro Dark: 21:22 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
54
67
80
91
82
87
69
91
67
72
65
67
65
62
64
47
45
57
65
87
93
100
83

Medium Clouds (% Sky Obscured)

79
85
68
100
100
100
100
100
100
100
100
100
100
98
95
100
100
100
89
95
97
98
96
94

High Clouds (% Sky Obscured)

100
100
100
100
100
97
100
100
100
98
24
100
100
56
100
100
83
100
100
100
100
98
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
2
68
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

60
63
95
55
42
64
86
86
95
78
58
85
95
95
95
95
95
95
95
95
95
67
53
59

Precipitation Amount (mm)

0.4
0
0.9
0
0
0
0.6
0.3
0.4
0.4
0
0.4
0.7
0.8
0.9
0.3
1.3
1.6
0.5
1.9
1.2
0.4
0.3
0.5

Wind Speed/Direction (mph)

5
5
8
10
11
11
7
7
7
6
3
5
3
3
3
3
5
6
5
3
4
5
5
5

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
17
16
15
14
14
14
14
13
13
13
12
12
12
12
12
11
11
11

Feels Like (°C)

18
18
17
16
16
15
15
15
13
13
13
13
13
13
12
12
11
10
10
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

90
96
93
96
98
95
95
95
95
95
93
89
92
95
93
96
96
96
96
96
98
98
96
96

Pressure (mb)

1014
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1016
1017
1017
1017
1018
1018
1019

Ozone (du)

258
258
259
260
260
262
264
265
266
266
267
267
266
266
266
265
265
264
264
266
267
266
268
268

Monday 22

Waxing Crescent 1%

07:55

19:30

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: 07:19, Set: 19:30, Transit: 13:25. Moon - Rise: 07:55, Set: 19:30. Civil Dark: 20:02 - 06:47. Nautical Dark: 20:40 - 06:09. Astro Dark: 21:20 - 05:29

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
100
100

Low Clouds (% Sky Obscured)

91
83
74
67
59
57
55
50
56
61
66
68
70
72
70
68
66
56
47
38
33
28
23
36

Medium Clouds (% Sky Obscured)

95
82
92
95
96
98
99
100
99
97
93
93
92
92
73
63
30
23
22
18
91
83
80
83

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
95
100
95
95
95
95
95
98
97
97
98
100
96

ISS Passover

Visibility (miles)

8
9
9
9
9
8
9
9
7
7
9
8
8
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
22
21
25
40
49
58
52
60
56
46
49
57
48
30
34
12
21
14
3
4
20
12
34

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0.3
0.3
0.2
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
8
7
7
8
8
9
9
10
10
10
10
10
10
9
9
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
93
91
93
93
91
91
91
90
90
90
91
90
87
90
90
91
87
84
81
79

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

270
272
274
274
273
273
274
276
277
279
280
281
281
280
279
280
280
280
280
281
281
281
281
281

Tuesday 23

Waxing Crescent 3%

09:06

19:42

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: 07:21, Set: 19:27, Transit: 13:24. Moon - Rise: 09:06, Set: 19:42. Civil Dark: 20:00 - 06:49. Nautical Dark: 20:38 - 06:11. Astro Dark: 21:17 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
100
100
100
100
100
99
98
97
97
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

50
63
67
71
76
80
85
90
89
89
90
93
97
100
92
83
75
83
92
100
66
80
94
94

Medium Clouds (% Sky Obscured)

88
100
100
100
85
67
75
93
89
49
99
100
100
100
97
94
92
94
97
94
98
98
97
93

High Clouds (% Sky Obscured)

97
95
100
100
100
91
82
74
82
91
100
100
100
100
72
43
15
43
72
95
70
39
9
6

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
68
95
95
45
31
27
32
39
50
67
91
95
95
95
95
87
68
50
18
95
83
44
63

Precipitation Amount (mm)

0.7
0.2
1.3
1.2
0
0
0
0
0
0
0
0.4
0.6
1.5
1.3
0.7
0.5
0.3
0
0
0.8
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
7
7
8
8
8
8
8
7
8
8
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
88
91
94
94
93
91
88
87
85
79
81
84
84
91
88
87
87
82
81
78
77
73
70

Pressure (mb)

1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1018
1018
1018
1019
1020
1020

Ozone (du)

283
283
284
284
286
288
288
288
288
288
287
286
286
286
285
285
286
286
286
287
287
287
287
287

Wednesday 24

Waxing Crescent 7%

10:17

19:56

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: 07:23, Set: 19:25, Transit: 13:24. Moon - Rise: 10:17, Set: 19:56. Civil Dark: 19:57 - 06:50. Nautical Dark: 20:35 - 06:12. Astro Dark: 21:15 - 05:33

Total Clouds (% Sky Obscured)

98
98
99
99
100
97
95
92
94
95
97
91
85
78
87
93
100
100
100
100
87
74
61
58

Low Clouds (% Sky Obscured)

95
95
89
86
85
87
87
87
91
95
97
91
85
78
86
86
86
92
92
91
87
74
61
58

Medium Clouds (% Sky Obscured)

91
94
98
99
99
87
75
66
51
34
30
58
72
78
87
93
100
100
100
100
87
74
61
58

High Clouds (% Sky Obscured)

3
0
33
67
100
69
38
7
5
2
0
0
8
25
58
80
90
88
90
95
87
74
61
58

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

78
93
95
95
95
85
65
34
36
36
33
49
55
52
88
95
95
95
84
76
82
85
90
84

Precipitation Amount (mm)

0.3
0.6
0.7
0.7
0.8
0.5
0.3
0
0
0
0
0
0.2
0
0.6
0.9
0.9
0.7
0.5
0.4
0.6
0.6
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
7
7
7
8
8
8
8
9
8
8
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
87
96
96
96
96
96
96
96
96
98
98
96
96
98
98
98
98
98
98
98
98
100
98

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

287
286
285
286
287
288
289
289
289
289
289
289
290
291
292
293
294
295
296
297
298
298
298
299

Thursday 25

Waxing Crescent 13%

11:29

20:13

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: 07:24, Set: 19:23, Transit: 13:24. Moon - Rise: 11:29, Set: 20:13. Civil Dark: 19:55 - 06:52. Nautical Dark: 20:33 - 06:14. Astro Dark: 21:12 - 05:35

Total Clouds (% Sky Obscured)

52
48
58
67
76
63
53
36
53
70
88
92
96
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
48
54
49
30
25
20
20
39
63
88
74
60
46
47
48
48
43
41
43
48
53
59
65

Medium Clouds (% Sky Obscured)

52
48
58
67
76
63
53
36
50
50
45
63
82
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

52
48
58
67
60
53
51
36
47
26
8
32
56
80
77
69
60
39
16
10
10
10
10
19

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

84
85
82
79
76
73
75
78
77
80
86
77
69
62
70
78
84
83
82
83
93
95
95
95

Precipitation Amount (mm)

0.6
0.5
0.5
0.5
0.4
0.4
0.5
0.5
0.5
0.5
0.6
0.5
0.4
0.3
0.4
0.5
0.6
0.6
0.5
0.6
0.8
1.1
1
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
7
8
7
7
7
7
7
8
10
11
11
11
11
10
10
10
10
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

8
8
7
8
7
7
7
7
7
8
9
11
11
10
10
10
10
10
10
9
9
9
9
9

Relative Humidity (%)

98
98
98
100
98
98
98
98
98
98
98
98
98
96
95
96
96
98
98
98
98
98
100
100

Pressure (mb)

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

Ozone (du)

299
299
299
300
301
302
301
301
300
301
302
303
305
306
308
310
313
316
317
318
319
320
320
320

Forecast for Schalkenmehren, Germany (50.17,6.86)

Generated: 19/09/25 07:50:47. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+2.00