Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 88%

23:06

No Set

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Bad
16 OK
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 OK

Sun - Rise: 05:10, Set: 21:30, Transit: 13:20. Moon - Rise: 23:06, Set: No Set. Civil Dark: 22:17 - 04:24. Nautical Dark: 23:26 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
4
1
98
41
61
100
85
100
100
100
100
100
71
69
81
79
92
78
62
24

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
0
7
0
0
0
0
0
0
0
4
44
70
58
85
78
62
9

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
0
16
22
29
34
27
27
40
98
62
44
62
29
31
29
0
0
7

High Clouds (% Sky Obscured)

0
0
0
0
0
1
44
6
27
100
48
100
100
100
100
100
1
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
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
64
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
1
1
2
2
2
1
2
3
4
11
17
22
4
4

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)

6
10
11
11
10
9
8
7
6
7
6
5
3
3
4
5
5
6
5
5
8
10
13
14

Chance of Frost

Temperature (°C)

20
21
23
24
25
26
27
27
27
26
26
25
23
21
19
19
18
17
17
16
16
16
16
16

Feels Like (°C)

20
21
22
24
26
27
28
28
28
27
26
25
24
21
20
19
17
17
16
17
16
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

66
62
55
51
50
51
49
47
52
62
66
68
67
71
76
71
68
76
79
93
96
87
87
85

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

326
325
325
324
324
326
326
324
323
322
323
325
327
329
331
338
342
337
336
337
338
337
336
335

Monday 14

Waning Gibbous 80%

23:18

09:13

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
07 Bad
08 Bad

Sun - Rise: 05:12, Set: 21:29, Transit: 13:20. Moon - Rise: 23:18, Set: 09:13. Civil Dark: 22:15 - 04:26. Nautical Dark: 23:24 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

69
55
58
65
61
51
57
42
50
32
38
48
91
95
100
100
100
100
100
99
100
99
100
100

Low Clouds (% Sky Obscured)

64
49
58
65
57
42
47
42
44
32
38
48
53
54
58
59
51
55
59
62
61
64
91
72

Medium Clouds (% Sky Obscured)

28
6
1
0
4
6
16
5
25
0
0
0
60
60
35
73
64
82
41
44
100
95
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
28
70
82
91
93
100
91
96
100
42
17
15

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
4
3
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

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
Light Rain

Precipitation Probability (%)

11
44
39
32
32
32
20
26
16
14
14
11
9
13
15
20
27
35
37
41
67
95
95
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
0.6
1.3
2.2

Wind Speed/Direction (mph)

16
18
18
20
20
20
20
21
20
20
19
17
15
13
14
14
13
13
12
11
12
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
15
15
14
14
14
14
13
12
12
11
11
10
10
10
9
10
9
9
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

70
73
83
76
65
60
55
53
54
59
70
78
84
92
93
95
95
98
96
96
95
95
95
96

Pressure (mb)

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

Ozone (du)

335
336
338
341
341
344
350
356
365
372
373
372
372
369
363
362
358
358
361
357
357
350
345
345

Tuesday 15

Waning Gibbous 70%

23:29

10:37

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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: 05:13, Set: 21:28, Transit: 13:20. Moon - Rise: 23:29, Set: 10:37. Civil Dark: 22:14 - 04:27. Nautical Dark: 23:22 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
95
97
87
99
97
95
44
34
42
35
62
95
82
65
47
48
57
100
100
100
100
100
77

Low Clouds (% Sky Obscured)

100
74
68
61
83
88
78
44
34
42
35
39
39
36
26
3
14
25
36
34
32
30
23
16

Medium Clouds (% Sky Obscured)

93
87
89
69
98
88
90
41
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
32
8
62
95
82
65
47
48
57
100
100
100
100
100
77

ISS Passover

Visibility (miles)

2
1
3
2
0
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
79
34
34
19
9
5
5
7
16
1
0
2
0
0
0
0
0
0

Precipitation Amount (mm)

1.9
2.1
1.2
1.5
1.4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
18
22
23
20
19
17
18
20
19
17
14
12
10
8
6
7
6
6
5
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
95
96
96
98
95
82
72
72
79
86
89
95
96
96
95
93
95
96
95
96
93
84

Pressure (mb)

1010
1009
1009
1009
1009
1010
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

344
344
346
346
341
343
345
346
345
344
341
339
338
336
332
333
330
328
325
326
328
329
328
325

Wednesday 16

Waning Gibbous 59%

23:40

12:00

09 Bad
10 OK
11 OK
12 Bad
13 OK
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: 05:14, Set: 21:27, Transit: 13:20. Moon - Rise: 23:40, Set: 12:00. Civil Dark: 22:13 - 04:29. Nautical Dark: 23:20 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
35
28
56
22
64
97
95
95
95
89
83
80
83
89
94
94
94
94
93
94
95
94
92

Low Clouds (% Sky Obscured)

10
19
28
38
22
31
26
25
23
21
28
36
43
47
51
55
58
61
64
60
56
55
59
66

Medium Clouds (% Sky Obscured)

0
0
0
1
1
4
47
36
72
90
81
73
68
70
82
89
85
77
77
54
42
53
72
59

High Clouds (% Sky Obscured)

66
35
28
30
22
52
78
72
62
50
51
48
37
20
46
4
36
45
50
44
48
36
55
45

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
2
10
3
3
11
3
4
2
2
6

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
6
7
7
7
7
5
4
2
1
1
2
2
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
65
61
58
56
55
54
54
55
58
64
72
75
75
79
78
79
80
80
80
80
82
82
79

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

325
323
319
318
317
316
314
314
312
310
308
305
303
301
301
301
300
301
301
306
309
310
310
312

Thursday 17

Waning Gibbous 48%

23:52

13:25

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: 05:15, Set: 21:26, Transit: 13:20. Moon - Rise: 23:52, Set: 13:25. Civil Dark: 22:11 - 04:30. Nautical Dark: 23:18 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
96
98
98
99
100
95
91
83
94
87
81
81
82
83
83
82
82
84
86
89
89
90

Low Clouds (% Sky Obscured)

73
79
86
92
87
82
77
74
70
67
33
16
0
0
0
0
2
5
7
17
27
37
33
29

Medium Clouds (% Sky Obscured)

29
49
91
35
47
65
97
78
55
38
40
47
59
70
80
83
83
82
82
84
85
86
88
88

High Clouds (% Sky Obscured)

8
40
35
25
10
15
15
15
15
20
87
63
30
20
15
15
10
15
25
30
40
50
57
64

ISS Passover

Visibility (miles)

9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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 (%)

18
34
37
16
18
19
13
27
31
27
13
13
11
11
9
0
1
1
1
7
10
12
32
43

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
82
92
93
93
95
93
93
92
93
95
96
96
96
96
96
98
96
98
96
95
95
95

Pressure (mb)

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

Ozone (du)

312
311
307
307
306
306
306
307
307
307
307
307
307
307
308
309
310
311
312
313
314
316
317
318

Friday 18

Third Quarter 36%

00:08

14:53

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 OK

Sun - Rise: 05:17, Set: 21:25, Transit: 13:20. Moon - Rise: 00:08, Set: 14:53. Civil Dark: 22:10 - 04:32. Nautical Dark: 23:15 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
95
97
97
97
97
97
88
80
72
55
37
20
26
56
70
71
71
71
70
67
56
39
22

Low Clouds (% Sky Obscured)

25
51
75
87
86
83
80
63
44
27
18
9
0
14
27
41
44
50
53
45
43
43
33
22

Medium Clouds (% Sky Obscured)

83
75
69
72
75
80
86
72
59
37
29
22
19
26
47
60
57
53
50
49
49
48
39
22

High Clouds (% Sky Obscured)

76
58
42
25
30
38
51
40
35
24
30
35
20
26
45
45
45
45
40
30
25
20
20
20

ISS Passover

Visibility (miles)

7
6
7
8
9
9
9
9
9
9
9
8
7
5
7
8
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

53
48
44
37
29
27
27
28
27
27
29
31
31
54
65
73
64
52
28
28
21
8
15
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
18
19
21
21
20
20
20
21
24
22
21
19
19
17
14
14
14
14
14
14
16

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
95
91
86
81
79
76
74
80
85
92
93
93
95
95
96
95
96
96
96
95

Pressure (mb)

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

Ozone (du)

320
322
320
317
315
316
318
320
319
318
318
319
321
322
322
321
321
320
319
318
317
316
315
315

Saturday 19

Waning Crescent 25%

00:29

16:24

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
00 Bad

Sun - Rise: 05:18, Set: 21:24, Transit: 13:20. Moon - Rise: 00:29, Set: 16:24. Civil Dark: 22:08 - 04:34. Nautical Dark: 23:13 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

5
27
47
74
84
95
98
97
93
91
90
93
100
100
100
100

Low Clouds (% Sky Obscured)

5
27
46
60
65
69
73
64
56
47
47
52
54
59
59
56

Medium Clouds (% Sky Obscured)

5
27
47
72
74
78
82
68
54
40
35
30
25
34
38
42

High Clouds (% Sky Obscured)

5
10
11
11
26
38
56
44
29
15
47
78
100
99
97
94

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

29
31
29
24
23
22
22
51
66
75
74
71
59
60
54
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.5
0.5
0.4
0
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
23
23
23
22
22
21
19
18
17
17

Feels Like (°C)

18
20
20
20
20
24
24
24
22
21
19
23
22
23
22
21

Dew Point (°C)

17
19
19
19
20
20
20
20
20
19
18
17
17
17
16
16

Relative Humidity (%)

93
92
88
85
81
81
83
83
81
79
77
81
85
90
90
92

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1010
1010
1009
1009

Ozone (du)

315
315
314
314
313
313
312
311
311
311
311
311
311
312
312
312

Forecast for Rhayader, Powys, United Kingdom (52.27,-3.57)

Generated: 13/07/25 08:29:37. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+1.00