Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 41%

23:37

17:02

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: 06:44, Set: 19:23, Transit: 13:03. Moon - Rise: 23:37, Set: 17:02. Civil Dark: 19:57 - 06:10. Nautical Dark: 20:37 - 05:29. Astro Dark: 21:21 - 04:46

Total Clouds (% Sky Obscured)

83
74
100
100
100
100
100
100
75
75
75
75
75
75
75
75
75
75
77
65
83
64
47
42

Low Clouds (% Sky Obscured)

72
70
72
66
61
69
63
77
77
71
51
44
59
38
48
40
51
37
44
39
44
48
45
42

Medium Clouds (% Sky Obscured)

16
22
33
27
18
21
15
13
16
5
29
28
1
24
33
40
25
28
3
4
18
3
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
2
2
51
3
35
3
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
0
0
3
0
1
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
15
13
15
17
16
15
16
17
17
19
22
18
21
21
19
21
17
18
18
18
18
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
11
10
10
10
11
11
11
11
11
10
10
11
11
10
10
9
9
9
9
7

Relative Humidity (%)

83
87
83
85
82
80
81
81
80
77
73
70
70
63
61
65
68
69
69
68
68
71
73
64

Pressure (mb)

999
999
999
999
999
1000
1000
1000
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1004
1005
1006
1008
1009
1010

Ozone (du)

287
288
292
295
291
292
296
298
299
303
304
304
306
307
307
307
307
305
306
306
306
306
303
303

Tuesday 16

Waning Crescent 30%

No Rise

17:40

00 Bad
01 Bad
02 Bad
03 OK
04 OK
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 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:46, Set: 19:20, Transit: 13:03. Moon - Rise: No Rise, Set: 17:40. Civil Dark: 19:54 - 06:12. Nautical Dark: 20:35 - 05:31. Astro Dark: 21:18 - 04:48

Total Clouds (% Sky Obscured)

47
44
45
42
41
42
44
33
82
87
97
99
98
100
100
96
100
100
100
95
93
100
100
100

Low Clouds (% Sky Obscured)

45
41
38
39
38
42
41
33
41
54
67
59
45
39
21
61
0
0
56
47
36
48
73
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
26
29
31
32
34
20
28
63
92
86
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
37
37
44
43
75
100
97
87
100
94
95
77
77
100
100
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
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
1
0
3
2
2
0
0
2
9
27
82
95

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
0.6
0.9

Wind Speed/Direction (mph)

20
19
20
17
17
17
16
14
13
14
17
17
17
16
16
17
15
13
11
9
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
7
6
6
6
6
7
10
11
11
11
12
12
11
11
12
12
11
12
11
10
11

Dew Point (°C)

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

Relative Humidity (%)

65
64
60
62
61
60
61
59
63
66
60
57
56
52
49
48
50
55
61
68
78
79
81
84

Pressure (mb)

1010
1011
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

303
301
298
295
294
295
294
295
293
292
289
287
286
283
280
278
276
275
273
271
270
269
268
266

Wednesday 17

Waning Crescent 20%

00:58

18:05

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: 06:47, Set: 19:18, Transit: 13:03. Moon - Rise: 00:58, Set: 18:05. Civil Dark: 19:52 - 06:14. Nautical Dark: 20:32 - 05:33. Astro Dark: 21:15 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
99
96
100
100
100
65
70
67
47
46
67
64
100
100
100
68
71
69
87
77

Low Clouds (% Sky Obscured)

68
84
86
87
85
87
100
100
100
65
69
67
47
46
58
55
59
54
46
34
54
34
43
48

Medium Clouds (% Sky Obscured)

95
100
100
99
96
93
84
80
69
10
40
5
45
40
25
1
53
57
77
51
59
69
47
16

High Clouds (% Sky Obscured)

100
100
100
90
76
15
31
2
9
4
5
1
0
0
14
13
70
70
65
20
19
35
49
12

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
Light Rain
Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
43
25
44
68
62
35
6
55
31
1
2
5
4
5
12
4
1
1

Precipitation Amount (mm)

1.2
1
1.8
1.5
2.5
0.7
0
0
0
0.6
0.4
0
0
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
7
9
12
11
12
15
16
14
14
16
17
17
16
15
16
16
15
15
14
13
13
12

Chance of Frost

Temperature (°C)

13
13
13
13
13
14
14
15
16
16
18
20
20
19
19
19
19
18
17
17
16
16
15
15

Feels Like (°C)

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

Dew Point (°C)

11
10
11
12
13
13
14
14
15
16
17
19
19
18
18
18
17
17
16
16
15
15
14
14

Relative Humidity (%)

87
86
90
95
95
96
96
93
93
95
95
95
93
93
95
93
92
95
95
95
95
96
95
95

Pressure (mb)

1016
1016
1015
1014
1013
1012
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

265
265
262
261
262
261
262
262
263
264
262
262
263
264
265
264
264
263
262
262
262
261
263
264

Thursday 18

Waning Crescent 12%

02:23

18:23

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: 06:49, Set: 19:15, Transit: 13:02. Moon - Rise: 02:23, Set: 18:23. Civil Dark: 19:49 - 06:15. Nautical Dark: 20:30 - 05:35. Astro Dark: 21:12 - 04:52

Total Clouds (% Sky Obscured)

76
68
93
92
93
99
98
100
100
99
100
100
100
98
96
95
96
96
97
95
92
90
85
80

Low Clouds (% Sky Obscured)

40
46
33
29
17
50
86
100
81
64
54
85
86
86
85
82
76
79
75
76
73
71
66
58

Medium Clouds (% Sky Obscured)

15
10
20
16
16
19
24
24
30
33
35
33
20
18
17
62
36
33
43
85
72
16
32
12

High Clouds (% Sky Obscured)

19
16
1
19
2
45
42
6
59
25
64
66
100
80
57
35
25
25
25
20
14
15
15
4

ISS Passover

Visibility (miles)

9
9
9
9
7
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 (%)

2
1
0
2
20
1
12
7
1
1
4
10
16
6
8
9
13
13
6
11
10
4
4
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)

11
11
10
11
11
11
12
12
13
14
15
15
16
17
19
18
17
16
15
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
13
13
13
13
13
12
14
14
15
16
18
18
18
19
19
18
17
17
16
16
16

Dew Point (°C)

14
14
14
15
15
14
15
14
14
14
15
15
15
15
15
15
16
16
16
16
16
15
16
15

Relative Humidity (%)

92
95
96
96
96
92
93
92
89
86
83
78
75
70
65
65
68
70
74
78
84
83
88
86

Pressure (mb)

1014
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

263
262
261
261
261
260
261
262
261
261
261
260
260
260
260
260
260
258
257
257
258
260
261
262

Friday 19

Waning Crescent 6%

03:45

18:36

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: 19:13, Transit: 13:02. Moon - Rise: 03:45, Set: 18:36. Civil Dark: 19:47 - 06:17. Nautical Dark: 20:27 - 05:37. Astro Dark: 21:10 - 04:54

Total Clouds (% Sky Obscured)

74
66
91
76
94
96
100
100
100
100
99
97
96
97
99
99
100
98
86
86
88
92
91
94

Low Clouds (% Sky Obscured)

50
53
56
60
60
60
61
65
70
76
77
76
76
66
56
47
40
36
27
18
9
0
7
14

Medium Clouds (% Sky Obscured)

11
36
68
47
72
71
56
61
57
58
41
31
21
13
7
0
0
0
0
9
15
19
18
15

High Clouds (% Sky Obscured)

1
27
51
67
65
76
97
100
100
100
83
47
41
66
80
62
60
51
57
58
64
64
67
87

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
6
8
7
13
14
13
10
5
0
0
0
1
2
11
4
2
4
12
2
2
3
1
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)

12
12
11
10
10
10
10
10
10
12
13
13
14
14
14
13
12
9
8
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
14
14
14
15
15
17
18
19
19
20
20
20
21
21
20
20
19
18
17

Dew Point (°C)

15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
15
16
16
16
16
16
16
15

Relative Humidity (%)

88
90
95
96
96
96
96
98
93
88
81
75
68
64
65
68
66
70
71
82
88
89
93
93

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

262
263
263
263
262
262
263
263
263
264
264
265
265
266
267
268
268
268
268
269
269
269
268
268

Saturday 20

Waning Crescent 2%

05:04

18:46

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: 06:52, Set: 19:11, Transit: 13:02. Moon - Rise: 05:04, Set: 18:46. Civil Dark: 19:45 - 06:19. Nautical Dark: 20:25 - 05:38. Astro Dark: 21:07 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
98
98
99
99
100
87
74
60
74
87
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

21
30
38
46
57
68
79
61
64
67
53
39
25
32
39
45
39
33
26
30
34
37
34
30

Medium Clouds (% Sky Obscured)

54
19
33
44
12
64
65
79
64
48
57
64
71
69
67
60
74
87
91
95
96
97
77
58

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
95
97
97
98
100
73
45
27
55
79
100
91
83
77
85
87

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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 (%)

1
0
15
4
18
13
11
36
30
22
25
26
23
27
27
23
24
25
26
37
42
44
46
46

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
14
14
14
16
17
18
19
19
20
20
20
20
19
18
17
16
15
14
13

Feels Like (°C)

16
15
14
14
14
13
13
13
14
15
15
15
15
16
19
19
18
18
18
17
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
96
95
95
90
85
81
77
73
70
74
76
78
78
79
78
83
87
90
93

Pressure (mb)

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

Ozone (du)

268
269
270
271
272
272
273
274
273
273
273
272
272
272
272
272
272
273
274
276
278
280
282
288

Sunday 21

New Moon 0%

06:20

18:56

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: 06:54, Set: 19:08, Transit: 13:01. Moon - Rise: 06:20, Set: 18:56. Civil Dark: 19:42 - 06:20. Nautical Dark: 20:22 - 05:40. Astro Dark: 21:04 - 04:58

Total Clouds (% Sky Obscured)

93
89
71
68
79
89
100
100
100
100
96
93
87
90
95
100
98
96
95
93
93
96
97
97

Low Clouds (% Sky Obscured)

27
31
33
37
52
68
83
86
89
93
91
91
87
90
93
94
93
91
90
91
91
92
93
93

Medium Clouds (% Sky Obscured)

47
44
44
38
51
46
45
30
20
10
15
19
19
19
18
17
18
23
24
29
29
44
49
49

High Clouds (% Sky Obscured)

85
85
71
68
79
75
50
55
50
55
62
64
61
63
64
66
72
74
70
75
80
80
80
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

40
40
39
34
55
71
93
95
95
95
95
95
95
83
73
62
52
45
48
56
54
43
40
45

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.9
1.2
1
0.8
1
0.6
0.4
0.4
0.3
0.2
0
0
0.3
0.3
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
14
14
15
15
15
15
15
14
14
15
15
14
13
12
11
10
10
10

Feels Like (°C)

13
12
12
12
12
12
11
10
12
11
10
11
11
11
11
10
10
10
10
11
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

93
96
95
95
92
90
86
83
80
78
75
71
69
66
64
63
62
70
76
84
87
91
93
91

Pressure (mb)

1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010
1011
1011
1012
1013
1013

Ozone (du)

295
302
306
310
314
313
312
312
313
313
314
316
317
318
319
320
321
323
326
328
329
330
331
331

Forecast for Northwick, Worcestershire, United Kingdom (52.21,-2.22)

Generated: 15/09/25 18:52:28. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00