Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:13

18:03

23 Bad
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

Sun - Rise: 06:53, Set: 19:22, Transit: 13:08. Moon - Rise: 01:13, Set: 18:03. Civil Dark: 19:55 - 06:21. Nautical Dark: 20:34 - 05:41. Astro Dark: 21:15 - 05:00

Total Clouds (% Sky Obscured)

63
71
78
100
98
93
82
77
79
78
81
95
94
98
100
97
100
95
100
94
88
79
78
66

Low Clouds (% Sky Obscured)

63
71
78
100
98
90
77
77
79
78
81
88
87
97
100
96
100
92
100
86
73
69
69
58

Medium Clouds (% Sky Obscured)

63
71
78
100
91
70
34
0
0
0
0
25
37
40
35
40
36
33
28
22
18
0
2
0

High Clouds (% Sky Obscured)

63
71
78
98
73
17
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
6
8
5
7
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

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

Precipitation Probability (%)

72
76
95
95
80
60
15
2
7
10
8
5
11
11
8
8
7
9
9
13
7
9
10
10

Precipitation Amount (mm)

0.3
0.3
1.1
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
10
14
16
18
18
17
16
16
17
17
18
18
18
17
16
15
15
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
96
93
92
93
93
90
92
93
92
92
90
92
89
88
88
89
90
92
93
95
95
96

Pressure (mb)

1020
1019
1018
1018
1017
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

258
257
256
257
259
258
258
258
258
258
259
261
262
264
266
266
266
265
265
264
264
264
265
264

Wednesday 17

Waning Crescent 12%

02:35

18:23

23 Bad
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

Sun - Rise: 06:55, Set: 19:20, Transit: 13:07. Moon - Rise: 02:35, Set: 18:23. Civil Dark: 19:53 - 06:22. Nautical Dark: 20:32 - 05:43. Astro Dark: 21:13 - 05:02

Total Clouds (% Sky Obscured)

78
87
93
93
82
71
72
66
63
54
52
65
72
85
84
88
79
75
80
69
56
44
56
65

Low Clouds (% Sky Obscured)

74
74
76
84
71
71
70
66
63
54
52
65
54
72
63
73
59
64
71
68
56
42
51
62

Medium Clouds (% Sky Obscured)

2
22
42
33
61
58
50
0
0
0
0
3
7
3
18
26
10
26
10
23
9
11
14
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
44
44
40
35
30
22
31
2
4
4
2
19

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
2
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 (%)

7
7
5
6
4
6
3
4
4
1
0
6
1
1
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)

11
11
10
11
11
11
11
11
11
11
13
15
16
17
17
16
16
15
14
11
8
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
90
88
93
92
92
93
88
82
75
74
74
69
69
70
73
76
81
88
93
95
96

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

03:56

18:38

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

Sun - Rise: 06:56, Set: 19:18, Transit: 13:07. Moon - Rise: 03:56, Set: 18:38. Civil Dark: 19:50 - 06:24. Nautical Dark: 20:29 - 05:45. Astro Dark: 21:10 - 05:04

Total Clouds (% Sky Obscured)

83
82
74
74
81
79
56
61
30
8
18
53
66
49
54
40
35
65
27
25
36
43
55
53

Low Clouds (% Sky Obscured)

64
62
47
52
59
58
50
40
24
5
3
30
38
47
48
35
19
20
2
0
10
20
30
28

Medium Clouds (% Sky Obscured)

2
6
22
13
6
3
3
3
8
5
16
0
0
2
0
0
0
0
0
0
1
0
1
20

High Clouds (% Sky Obscured)

57
52
54
55
38
25
7
16
4
2
18
25
35
2
4
13
22
65
22
25
15
21
20
21

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
98
96
96
89
80
76
70
65
61
54
53
56
68
76
81
83
86

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

262
262
262
261
261
261
261
261
262
262
263
263
263
264
264
265
265
266
267
267
269
269
268
268

Friday 19

Waning Crescent 2%

05:13

18:50

23 Bad
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 OK

Sun - Rise: 06:58, Set: 19:16, Transit: 13:07. Moon - Rise: 05:13, Set: 18:50. Civil Dark: 19:48 - 06:25. Nautical Dark: 20:27 - 05:46. Astro Dark: 21:07 - 05:06

Total Clouds (% Sky Obscured)

59
62
77
88
100
91
96
100
100
95
100
91
100
100
100
100
100
97
95
92
78
62
44
24

Low Clouds (% Sky Obscured)

28
31
44
59
69
76
78
72
68
65
73
55
67
66
70
74
100
95
81
73
74
57
18
21

Medium Clouds (% Sky Obscured)

2
1
2
2
19
41
58
58
67
71
71
35
76
34
76
77
43
30
26
28
19
9
0
0

High Clouds (% Sky Obscured)

22
27
52
76
100
82
85
100
100
73
66
91
71
96
94
100
87
53
57
35
35
40
44
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
2
1
11
14
8
8
17
11
33
48
57
59
49
42
41
32
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
2
2
1
2
2
2
3
4
6
7
10
11
13
14
13
13
15
15
17
14
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
13
13
14
13
13
13
15
15
16
15
16
14
15
14
10
9
7
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
90
92
92
95
96
96
96
87
87
74
81
72
79
83
93
89
86
87
87
84
87

Pressure (mb)

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

Ozone (du)

267
267
267
267
267
268
270
273
272
272
273
272
272
273
273
273
273
278
280
280
283
287
291
294

Saturday 20

Waning Crescent 0%

06:27

19:01

23 OK
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
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

Sun - Rise: 07:00, Set: 19:13, Transit: 13:06. Moon - Rise: 06:27, Set: 19:01. Civil Dark: 19:46 - 06:27. Nautical Dark: 20:25 - 05:48. Astro Dark: 21:05 - 05:08

Total Clouds (% Sky Obscured)

31
38
40
38
32
34
30
36
56
73
94
89
85
80
80
83
85
90
93
95
87
79
72
60

Low Clouds (% Sky Obscured)

28
38
40
38
32
34
29
36
54
71
88
80
72
64
65
66
68
61
56
52
52
51
48
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
5
7
19
25
28
37
44
54
68
84
95
87
76
65
51

High 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

ISS Passover

Visibility (miles)

9
9
9
8
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 (%)

8
14
24
19
8
12
13
9
13
22
13
24
33
31
40
33
26
27
27
27
27
22
2
2

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)

8
6
7
8
8
8
7
8
9
8
8
9
10
11
13
14
15
16
15
14
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
88
87
85
83
84
90
81
80
79
75
71
72
74
74
74
74
71
69
66
66
66
66

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1021
1021
1022
1023

Ozone (du)

297
298
299
301
303
305
308
311
313
314
315
317
317
317
317
317
317
317
318
319
320
321
321
322

Sunday 21

New Moon 1%

07:39

19:12

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

Sun - Rise: 07:01, Set: 19:11, Transit: 13:06. Moon - Rise: 07:39, Set: 19:12. Civil Dark: 19:44 - 06:28. Nautical Dark: 20:22 - 05:50. Astro Dark: 21:02 - 05:10

Total Clouds (% Sky Obscured)

47
31
22
23
19
31
43
62
53
44
36
32
28
19
17
21
23
20
12
5
3
3
0
18

Low Clouds (% Sky Obscured)

21
7
13
20
19
23
24
26
26
24
24
26
27
19
17
21
20
15
12
5
3
3
0
7

Medium Clouds (% Sky Obscured)

42
31
22
23
19
24
22
21
15
14
10
10
11
10
7
4
0
0
0
0
0
0
0
0

High 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
12

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
6
5
1
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
4
4
4
4
4
4
3
4
4
4
4
5
5
4
4
4

Relative Humidity (%)

68
68
70
72
74
77
78
77
77
72
67
61
57
52
48
48
47
47
50
53
57
59
62
64

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

322
322
322
322
322
323
324
326
328
327
326
325
323
321
319
317
316
314
312
311
309
308
308
307

Monday 22

Waxing Crescent 3%

08:50

19:23

23 OK
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

Sun - Rise: 07:03, Set: 19:09, Transit: 13:06. Moon - Rise: 08:50, Set: 19:23. Civil Dark: 19:41 - 06:30. Nautical Dark: 20:20 - 05:51. Astro Dark: 21:00 - 05:11

Total Clouds (% Sky Obscured)

37
55
60
65
70
80
86
100
100
100
100
96
77
62
65
59
63
72
85
98

Low Clouds (% Sky Obscured)

13
20
26
31
34
34
32
34
34
39
37
40
49
56
65
59
63
72
85
98

Medium Clouds (% Sky Obscured)

0
0
5
10
13
20
24
29
34
34
49
54
60
61
51
46
34
37
45
56

High Clouds (% Sky Obscured)

25
39
25
12
0
30
54
61
44
37
40
37
34
61
47
24
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

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
5
10
10
37
57
73
85
81
67
63
52
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.5
0.3
0.3
0
0

Wind Speed/Direction (mph)

11
11
12
12
11
11
11
11
12
13
15
17
17
18
18
18
19
20
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
68
73
78
84
85
87
90
78
68
59
56
52
49
51
53
55
64
74

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1022
1021
1021
1021
1021

Ozone (du)

307
306
306
306
306
306
305
304
304
304
304
304
305
306
306
308
309
310
312
313

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 16/09/25 22:59:00. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00