Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 28%

01:03

17:37

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

Sun - Rise: 06:49, Set: 19:21, Transit: 13:04. Moon - Rise: 01:03, Set: 17:37. Civil Dark: 19:54 - 06:15. Nautical Dark: 20:34 - 05:35. Astro Dark: 21:17 - 04:53

Total Clouds (% Sky Obscured)

72
77
76
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
99
98
96
100
98

Low Clouds (% Sky Obscured)

13
15
24
41
49
31
28
27
31
47
34
82
70
32
53
45
89
85
93
85
98
88
100
88

Medium Clouds (% Sky Obscured)

0
46
9
48
79
96
61
67
87
92
84
72
75
98
100
100
100
98
98
98
98
95
38
35

High Clouds (% Sky Obscured)

72
43
76
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
76
1
7
7
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
8
6
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
0
0
2
15
3
11
4
5
6
24
25
17
32
72
78
89
95
95
95
95
83
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.5
0.7
0.7
0.9
0.8
0.5
1
1

Wind Speed/Direction (mph)

12
13
13
13
14
14
14
14
13
11
9
7
6
6
7
7
6
6
8
12
14
15
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
63
61
58
60
59
65
68
70
74
84
90
92
92
92
92
90
95
95
95
95
93
93

Pressure (mb)

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

Ozone (du)

295
292
289
287
284
280
277
275
272
270
266
264
264
262
261
261
259
258
257
258
260
260
261
261

Wednesday 17

Waning Crescent 20%

02:27

18:03

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

Sun - Rise: 06:50, Set: 19:18, Transit: 13:04. Moon - Rise: 02:27, Set: 18:03. Civil Dark: 19:52 - 06:17. Nautical Dark: 20:32 - 05:37. Astro Dark: 21:14 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
99
96
99
95
100
95
100
100
92

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
91
94
91
94
100
93
100
100
87

Medium Clouds (% Sky Obscured)

68
27
44
35
26
41
47
40
50
52
59
65
65
40
51
49
45
48
49
46
52
59
68
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
79
85
31
0
9
0
0
0
0
9
5
0
1
1
2

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

Light Rain
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 (%)

68
49
28
22
22
20
20
28
31
30
26
19
14
15
16
15
8
16
3
3
4
6
4
4

Precipitation Amount (mm)

0.4
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)

16
16
15
14
14
13
12
12
11
10
11
11
12
12
13
13
13
13
13
12
13
12
12
12

Chance of Frost

Temperature (°C)

16
16
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
18
18

Feels Like (°C)

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

Dew Point (°C)

15
15
16
16
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
17
16
16
15
16

Relative Humidity (%)

95
95
95
95
96
95
95
95
93
93
93
93
95
93
93
92
92
92
93
96
93
89
86
88

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1015
1016
1016

Ozone (du)

261
262
263
265
269
269
269
268
266
265
264
264
263
263
263
263
264
262
262
262
264
264
264
263

Thursday 18

Waning Crescent 12%

03:48

18:21

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

Sun - Rise: 06:52, Set: 19:16, Transit: 13:03. Moon - Rise: 03:48, Set: 18:21. Civil Dark: 19:49 - 06:19. Nautical Dark: 20:29 - 05:39. Astro Dark: 21:11 - 04:57

Total Clouds (% Sky Obscured)

87
78
60
60
100
100
97
79
88
79
91
88
79
80
98
97
100
98
100
100
100
100
98
95

Low Clouds (% Sky Obscured)

79
78
60
56
79
52
53
43
49
43
54
45
22
20
17
33
40
28
25
26
35
32
49
66

Medium Clouds (% Sky Obscured)

27
0
0
0
3
27
28
16
14
10
13
11
10
8
4
32
3
4
4
3
5
41
64
65

High Clouds (% Sky Obscured)

11
16
14
40
100
100
82
24
15
15
15
49
55
62
96
94
99
97
100
100
100
100
85
66

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 (%)

2
0
1
1
0
0
0
0
0
1
8
4
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)

13
15
16
16
16
16
16
13
12
12
11
10
9
9
8
8
7
7
6
5
5
5
4
4

Chance of Frost

Temperature (°C)

18
19
20
21
22
22
22
22
21
20
19
19
18
17
17
16
16
16
16
15
15
15
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
77
70
64
62
59
59
63
66
70
76
82
88
89
89
89
90
89
92
92
92
92
90
85

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

262
262
263
262
261
262
262
263
262
263
263
263
263
263
262
262
260
259
259
260
260
259
259
258

Friday 19

Waning Crescent 6%

05:07

18:35

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
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

Sun - Rise: 06:53, Set: 19:14, Transit: 13:03. Moon - Rise: 05:07, Set: 18:35. Civil Dark: 19:47 - 06:20. Nautical Dark: 20:27 - 05:41. Astro Dark: 21:08 - 04:59

Total Clouds (% Sky Obscured)

92
84
75
69
72
74
73
73
36
35
83
78
77
84
90
100
100
100
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

80
73
61
49
49
45
42
41
36
35
25
12
0
3
7
11
31
50
69
71
73
75
80
85

Medium Clouds (% Sky Obscured)

65
4
0
50
30
48
7
4
2
2
0
2
1
3
5
3
40
20
33
41
55
64
81
91

High Clouds (% Sky Obscured)

49
46
47
45
29
21
22
23
18
23
34
36
44
63
82
100
100
100
100
98
96
94
95
97

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
1
0
0
0
0
0
0
0
0
0
0
0
2
5
8
7
7
35
41

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
69
60
55
53
51
49
50
57
63
72
81
86
89
90
92
93
92
90
89
90
92
90
90

Pressure (mb)

1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013

Ozone (du)

258
259
259
259
260
260
260
261
262
265
266
267
269
268
268
268
268
268
268
268
268
267
267
268

Saturday 20

Waning Crescent 2%

06:22

18:46

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

Sun - Rise: 06:55, Set: 19:11, Transit: 13:02. Moon - Rise: 06:22, Set: 18:46. Civil Dark: 19:45 - 06:22. Nautical Dark: 20:24 - 05:42. Astro Dark: 21:06 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
98
86
75
73
62
51
40
39
35
25
12
14
11
28
49
68
70
71

Low Clouds (% Sky Obscured)

89
90
91
93
76
59
42
44
46
50
35
18
4
4
5
5
7
8
10
26
42
56
53
53

Medium Clouds (% Sky Obscured)

100
100
99
100
83
63
45
40
40
45
19
6
0
0
0
0
1
2
2
15
28
38
56
71

High Clouds (% Sky Obscured)

100
100
100
100
98
97
96
79
59
45
42
24
20
18
20
25
12
14
11
20
9
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
2
9
7
9
9
9
5
5
3
2
0
2
5
7
6

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

Precipitation Probability (%)

56
76
95
95
95
91
49
57
95
65
28
24
21
22
34
39
47
50
58
66
65
61
67
72

Precipitation Amount (mm)

0
0.2
0.9
1.6
1.1
0.6
0
0
0.8
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
18
17
17
18
18
17
16
15
15
14
14
14
13
12
13
12
12
13
12
12
9

Dew Point (°C)

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

Relative Humidity (%)

89
87
81
78
82
82
77
79
82
95
96
96
96
96
96
96
98
98
98
98
98
98
96
96

Pressure (mb)

1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1011
1011
1011
1011
1010
1010
1011
1011
1011

Ozone (du)

268
269
269
270
269
269
269
272
272
274
279
281
286
290
291
293
296
298
300
303
305
307
309
312

Sunday 21

New Moon 0%

07:35

18:56

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

Sun - Rise: 06:57, Set: 19:09, Transit: 13:02. Moon - Rise: 07:35, Set: 18:56. Civil Dark: 19:42 - 06:23. Nautical Dark: 20:22 - 05:44. Astro Dark: 21:03 - 05:03

Total Clouds (% Sky Obscured)

72
78
85
89
88
86
83
87
91
93
90
89
92
97
100
100
100
100
98
97
88
78
65
55

Low Clouds (% Sky Obscured)

51
65
74
81
76
72
72
75
73
68
65
64
61
67
70
73
71
69
67
66
62
60
58
54

Medium Clouds (% Sky Obscured)

72
78
85
88
84
83
83
87
91
93
90
89
84
78
72
75
65
56
49
35
20
6
4
2

High Clouds (% Sky Obscured)

0
0
0
1
7
14
25
20
15
10
4
4
3
0
0
5
5
5
10
8
11
6
4
2

ISS Passover

Visibility (miles)

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

Very 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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
84
89
94
95
95
95
95
95
95
95
95
84
69
55
44
38
25
4
8
5
2
1
0

Precipitation Amount (mm)

0.3
0.4
0.5
0.5
0.6
0.9
1.4
1.4
1.5
1.7
1.2
0.9
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
11
13
14
14
14
14
15
16
17
16
16
15
16
16
18
17
17
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
9
10
11
7
7
8
7
6
5
5
4
3
3
3
1
4
3
3
3
2
2
3

Dew Point (°C)

11
11
11
11
11
12
13
14
13
12
11
11
11
10
10
9
8
7
7
6
5
5
5
5

Relative Humidity (%)

96
96
95
95
92
93
93
93
93
93
92
93
93
93
91
91
90
87
84
81
78
75
73
72

Pressure (mb)

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

Ozone (du)

314
317
316
316
316
315
315
314
316
317
319
319
319
320
319
319
319
319
320
320
322
323
325
325

Monday 22

Waxing Crescent 1%

08:47

19:06

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

Sun - Rise: 06:58, Set: 19:07, Transit: 13:02. Moon - Rise: 08:47, Set: 19:06. Civil Dark: 19:40 - 06:25. Nautical Dark: 20:20 - 05:46. Astro Dark: 21:01 - 05:05

Total Clouds (% Sky Obscured)

48
52
60
67
65
63
61
49
40
31
53
75
95
92
88
80
76
72
67
70
72
66

Low Clouds (% Sky Obscured)

46
47
49
51
38
25
13
20
27
31
41
43
44
41
39
41
47
53
57
56
58
54

Medium Clouds (% Sky Obscured)

0
5
10
15
17
18
15
28
40
31
53
75
88
77
66
55
52
46
48
54
43
28

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
50
66

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

Fog (%)

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

Precipitation Probability (%)

0
1
1
0
1
2
1
6
8
8
9
7
2
13
18
17
17
13
4
7
5
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

Wind Speed/Direction (mph)

16
16
16
16
16
16
15
15
14
14
14
14
13
13
12
12
12
12
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
64
61
57
58
58
60
63
65
69
69
71
72
75
74
76
74
76
76
74
76

Pressure (mb)

1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

326
326
327
327
328
329
329
330
332
334
335
335
335
335
335
334
333
331
329
328
325
323

Forecast for Rangeworthy, South Gloucestershire, United Kingdom (51.58,-2.45)

Generated: 16/09/25 09:50:21. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00