Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

05:53

14:56

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

Sun - Rise: 07:38, Set: 16:28, Transit: 12:03. Moon - Rise: 05:53, Set: 14:56. Civil Dark: 17:04 - 07:02. Nautical Dark: 17:45 - 06:21. Astro Dark: 18:23 - 05:43

Total Clouds (% Sky Obscured)

53
41
23
0
0
0
0
0
38
82
100
100
100
95
91
99
100
73
61
69
89
87
100
96

Low Clouds (% Sky Obscured)

21
0
0
0
0
0
0
0
38
76
88
65
71
84
80
99
100
73
57
43
57
77
76
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
27
37
32
45
39

High Clouds (% Sky Obscured)

0
0
8
0
0
0
0
0
38
82
100
100
100
95
91
97
84
73
46
12
65
55
20
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
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
3
6
16
11
32
36
24
21
27
40
62
66

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
0.3
0.4

Wind Speed/Direction (mph)

9
7
5
4
3
2
1
1
1
2
2
2
3
3
3
3
4
3
4
8
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
3
2
1
2
2
0
0
-1
-1
-1
-0
-0
-1
1
1
2
3
4
5
5
5
4

Dew Point (°C)

3
2
1
1
0
-0
-1
-1
-1
-2
-2
-2
-1
-1
-1
0
0
2
3
4
4
4
5
5

Relative Humidity (%)

70
78
82
85
85
85
84
84
83
80
80
77
79
80
83
79
77
80
80
77
73
72
75
77

Pressure (mb)

1026
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1026
1025
1025
1024
1024
1023
1023
1023
1022
1021
1020
1019
1018

Ozone (du)

248
251
253
261
261
265
265
267
271
270
267
267
272
275
272
272
272
268
264
264
269
263
263
265

Tuesday 18

Waning Crescent 1%

07:05

15:11

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
09 OK
10 Bad
11 Bad
12 OK
13 Bad
14 Bad

Sun - Rise: 07:40, Set: 16:27, Transit: 12:03. Moon - Rise: 07:05, Set: 15:11. Civil Dark: 17:03 - 07:03. Nautical Dark: 17:44 - 06:23. Astro Dark: 18:22 - 05:44

Total Clouds (% Sky Obscured)

86
88
89
93
96
92
91
78
69
74
95
95
92
84
76
83
76
55
36
73
52
18
75
70

Low Clouds (% Sky Obscured)

78
65
70
86
78
69
84
67
67
65
80
95
84
73
63
69
62
55
36
73
52
18
41
50

Medium Clouds (% Sky Obscured)

24
33
31
35
56
44
44
11
0
12
60
20
19
28
28
32
22
0
0
0
0
0
43
36

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
9
9
9
9
6
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
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
54
41
42
54
57
60
64
45
30
24
51
63
51
47
42
38
20
7
16
6
9
17
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
11
11
12
12
11
14
16
15
14
15
17
20
19
19
19
19
18
19
20
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
3
3
3
2
2
2
2
2
2
-1
-1
-2
-3
-3
-3
-2
-2
-1
-1
-2

Dew Point (°C)

5
4
4
4
4
4
4
4
5
4
3
2
3
3
1
1
1
-0
-1
-0
-1
-1
-1
-2

Relative Humidity (%)

78
79
81
79
81
85
84
82
85
78
75
74
81
79
75
75
77
75
75
72
67
64
62
63

Pressure (mb)

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

Ozone (du)

265
265
266
264
261
265
265
266
267
267
270
273
279
290
297
299
297
297
303
312
324
327
325
321

Wednesday 19

Waning Crescent 0%

08:17

15:29

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:41, Set: 16:26, Transit: 12:03. Moon - Rise: 08:17, Set: 15:29. Civil Dark: 17:02 - 07:05. Nautical Dark: 17:43 - 06:24. Astro Dark: 18:21 - 05:45

Total Clouds (% Sky Obscured)

75
68
95
92
99
100
100
100
100
99
99
93
91
91
91
93
90
87
88
100
100
93
86
79

Low Clouds (% Sky Obscured)

61
48
74
65
70
63
64
55
50
59
52
44
60
48
58
57
60
52
42
47
60
61
63
63

Medium Clouds (% Sky Obscured)

25
25
51
48
94
98
100
100
99
97
98
88
81
90
83
85
77
81
73
100
100
88
76
64

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
9
9
9
9
9
9
9
9
9
9
9
9
9
4
0
7
3
3
1
7
8

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
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
Sleet
Sleet
Snow
None
Snow
Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

46
43
43
46
51
45
43
43
51
48
36
36
41
34
51
60
66
53
40
56
61
55
52
53

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0.2
0.3
0.2
0
0.2
0.4
0
0
0.2

Wind Speed/Direction (mph)

18
17
15
14
13
12
11
10
10
9
8
7
7
7
7
8
10
10
9
11
11
11
12
11

Chance of Frost

Temperature (°C)

4
3
3
3
3
3
2
2
3
2
2
2
2
2
2
2
2
2
2
3
3
3
4
4

Feels Like (°C)

-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2
-3
-3
-2
-2
-1
-1
-1
-0

Dew Point (°C)

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

Relative Humidity (%)

62
62
61
63
68
73
76
76
72
72
73
74
74
74
76
77
89
94
93
89
85
83
76
76

Pressure (mb)

1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

319
318
321
324
325
328
332
333
330
326
324
323
322
323
323
320
317
315
314
314
316
317
319
319

Thursday 20

New Moon 2%

09:25

15:54

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

Sun - Rise: 07:43, Set: 16:25, Transit: 12:03. Moon - Rise: 09:25, Set: 15:54. Civil Dark: 17:01 - 07:06. Nautical Dark: 17:42 - 06:26. Astro Dark: 18:21 - 05:47

Total Clouds (% Sky Obscured)

72
58
44
46
48
48
44
43
40
38
38
39
66
75
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
54
44
46
48
48
44
43
40
38
38
35
35
36
40
58
76
85
73
50
48
50
86
82

Medium Clouds (% Sky Obscured)

53
25
5
4
4
5
3
2
0
1
1
2
1
1
0
12
20
79
100
100
99
100
100
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
6
11
50
65
100
100
100
100
100
100
100
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
None
None

Precipitation Probability (%)

44
37
14
24
25
14
24
25
8
16
18
8
14
16
2
5
4
3
9
12
14
22
25
26

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

Chance of Frost

Temperature (°C)

4
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
3
3
4
5
6
6
6

Feels Like (°C)

-0
0
-1
0
-1
-0
-1
-1
-1
-1
-1
-0
-0
-1
-1
-1
-1
-0
1
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

75
77
79
78
77
77
77
76
74
74
74
73
73
73
71
71
72
72
72
72
72
71
70
72

Pressure (mb)

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

Ozone (du)

316
309
306
301
298
296
295
294
293
291
290
289
287
286
283
282
285
287
282
278
275
265
263
263

Friday 21

Waxing Crescent 5%

10:26

16:27

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:44, Set: 16:24, Transit: 12:04. Moon - Rise: 10:26, Set: 16:27. Civil Dark: 17:01 - 07:07. Nautical Dark: 17:41 - 06:27. Astro Dark: 18:20 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
92
84
75
69
69
65
90
89
89
91
90
89
86
82
80

Low Clouds (% Sky Obscured)

93
97
100
93
86
80
83
86
91
78
62
62
59
54
49
65
48
36
31
32
31
41
46
51

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
62
45
35
2
2
2
12
14
8
12
22
37
45
62
70
77

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
73
43
10
10
15
35
30
30
35
53
70
87
56
28
0

ISS Passover

Visibility (miles)

9
9
9
9
5
3
2
2
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

62
84
95
95
95
95
95
95
68
47
32
15
11
14
12
18
14
5
15
20
23
26
24
20

Precipitation Amount (mm)

0.3
0.5
0.9
1.5
2.2
2.9
1.8
1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
14
17
14
15
18
17
18
16
15
13
12
12
11
11
8
7
6
7
9
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
2
2
3
4
4
6
5
5
5
5
4
4
4
4
4
3
4
4
8
7

Dew Point (°C)

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

Relative Humidity (%)

74
75
79
90
93
93
96
96
96
95
87
90
91
90
91
91
90
90
88
85
82
80
78
80

Pressure (mb)

1022
1021
1020
1019
1017
1016
1014
1013
1013
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

268
268
265
265
269
272
276
278
280
283
288
290
295
295
297
295
292
289
286
286
285
284
285
287

Saturday 22

Waxing Crescent 10%

11:16

17:12

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:46, Set: 16:23, Transit: 12:04. Moon - Rise: 11:16, Set: 17:12. Civil Dark: 17:00 - 07:09. Nautical Dark: 17:40 - 06:28. Astro Dark: 18:19 - 05:49

Total Clouds (% Sky Obscured)

75
73
70
67
65
62
60
71
82
86
81
76
80
87
93
94
95
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

53
57
60
62
62
60
55
52
82
86
81
73
70
66
63
68
74
79
76
74
66
62
59
55

Medium Clouds (% Sky Obscured)

60
43
28
20
12
4
7
11
18
14
7
0
25
50
73
77
84
91
85
79
73
56
38
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
0
0
5
5
5
15
47
71
91
91
94
96

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

Precipitation Probability (%)

21
25
29
41
49
54
58
53
44
45
42
34
36
36
32
32
31
28
36
40
45
42
33
12

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
9
8
9
10
12
13
15
18
17
16
15
14
13
12
12
10
9
10
11
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
6
6
5
5
5
5
5
5
5
4
4
4
5
5
5
5
5
5
5

Relative Humidity (%)

80
82
87
91
88
87
84
82
82
81
81
79
79
79
81
82
82
84
85
79
75
72
74
77

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1010

Ozone (du)

289
286
283
280
280
279
279
278
278
277
276
274
273
273
273
273
275
276
278
277
275
274
273
272

Sunday 23

Waxing Crescent 9%

11:54

18:10

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:47, Set: 16:22, Transit: 12:04. Moon - Rise: 11:54, Set: 18:10. Civil Dark: 16:59 - 07:10. Nautical Dark: 17:39 - 06:29. Astro Dark: 18:18 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
95
92
92
95
99
83
67
52
57
62
70

Low Clouds (% Sky Obscured)

54
55
57
59
61
63
69
75
81
83
80
73
64
57
49
45
41
37
43
49
55

Medium Clouds (% Sky Obscured)

39
59
81
85
91
98
98
98
98
95
91
86
68
50
35
37
36
36
30
24
14

High Clouds (% Sky Obscured)

98
99
100
97
93
88
59
30
0
1
1
2
6
3
10
16
20
18
15
7
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
8
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

Precipitation Type

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

Precipitation Probability (%)

18
16
6
24
34
43
53
59
57
58
57
56
56
52
51
48
40
27
37
44
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
5
4
4
4
4
5
7
8
8
8
9
10
10
11
12
14
15
16
17

Chance of Frost

Temperature (°C)

8
8
7
6
7
7
7
8
8
8
8
8
8
8
8
8
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
86
88
90
90
90
90
90
88
87
85
85
85
84
82
79
76
74
71

Pressure (mb)

1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

271
273
275
276
277
277
277
277
277
277
278
278
278
281
283
285
289
292
296
302
308

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 17/11/25 15:18:56. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+0.00