Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Crescent 8%

02:12

19:57

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

Sun - Rise: 05:54, Set: 20:49, Transit: 13:21. Moon - Rise: 02:12, Set: 19:57. Civil Dark: 21:27 - 05:16. Nautical Dark: 22:17 - 04:26. Astro Dark: 23:20 - 03:23

Total Clouds (% Sky Obscured)

73
64
72
72
84
97
95
82
78
67
66
40
45
80
100
84
38
30
6
3
9
10
5
16

Low Clouds (% Sky Obscured)

30
28
25
38
32
28
35
41
37
27
23
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

35
41
60
62
82
95
89
67
62
47
47
40
45
80
100
84
38
30
4
3
9
10
5
16

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 (%)

1
0
0
0
0
0
1
0
2
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
6
7
5
4
4
5
8
8
7
6
6
7
8
8
8
9
11
11
7
6
6
6
6

Chance of Frost

Temperature (°C)

16
15
15
13
13
13
16
17
19
20
21
22
23
23
23
23
22
21
19
16
15
13
12
12

Feels Like (°C)

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

Dew Point (°C)

15
14
14
12
11
11
12
11
10
9
8
7
7
8
9
8
9
10
11
11
11
10
10
8

Relative Humidity (%)

92
93
95
92
89
84
77
66
54
47
41
37
36
38
40
38
41
49
60
72
76
82
83
80

Pressure (mb)

1016
1017
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

306
305
304
304
305
306
307
308
310
312
313
313
313
313
312
312
312
312
311
312
313
314
313
313

Tuesday 11

Waning Crescent 2%

03:40

20:26

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

Sun - Rise: 05:56, Set: 20:47, Transit: 13:21. Moon - Rise: 03:40, Set: 20:26. Civil Dark: 21:25 - 05:18. Nautical Dark: 22:14 - 04:28. Astro Dark: 23:16 - 03:27

Total Clouds (% Sky Obscured)

45
6
4
2
5
1
10
8
9
18
20
14
19
80
98
50
49
51
29
50
98
37
89
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
7
3
0
0
0
0
0
0
0
0
0
0
0

Medium 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
7
10

High Clouds (% Sky Obscured)

44
5
4
2
3
0
8
8
9
18
18
11
14
68
97
50
49
51
29
50
98
36
83
16

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
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)

6
5
4
5
5
5
4
9
12
13
11
10
10
10
11
10
9
7
5
3
3
3
4
4

Chance of Frost

Temperature (°C)

11
11
11
11
11
13
17
20
21
22
23
24
25
26
26
26
26
24
22
20
18
17
16
16

Feels Like (°C)

10
10
11
11
10
12
16
19
19
19
21
23
25
26
26
24
23
23
23
20
19
17
15
15

Dew Point (°C)

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

Relative Humidity (%)

72
67
67
66
61
57
48
45
46
48
47
46
44
40
38
37
38
41
54
65
63
64
63
60

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1021
1021
1021
1022
1022
1022

Ozone (du)

313
313
315
314
313
312
310
309
310
311
312
312
311
311
311
311
311
311
311
310
310
310
310
309

Wednesday 12

New Moon 0%

05:13

20:46

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 OK
17 OK
18 Good
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK

Sun - Rise: 05:58, Set: 20:45, Transit: 13:21. Moon - Rise: 05:13, Set: 20:46. Civil Dark: 21:23 - 05:20. Nautical Dark: 22:12 - 04:30. Astro Dark: 23:12 - 03:30

Total Clouds (% Sky Obscured)

60
92
91
77
89
85
94
50
67
58
54
63
62
53
44
30
16
35
52
64
57
49
44
47

Low Clouds (% Sky Obscured)

0
7
6
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
18
18
21
20
18
23
19
29
31
30
34
32
35
32
22
11
13
14
14
13
14
15
15

High Clouds (% Sky Obscured)

40
77
67
34
50
46
74
10
21
5
4
22
24
3
0
0
0
20
37
43
26
12
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
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)

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

Chance of Frost

Temperature (°C)

15
15
15
15
14
15
18
21
23
25
26
27
28
29
29
29
28
27
25
22
20
20
19
19

Feels Like (°C)

14
14
15
14
14
15
18
21
23
24
26
26
27
29
29
29
29
28
27
24
21
21
19
19

Dew Point (°C)

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

Relative Humidity (%)

58
57
55
54
52
50
43
40
37
34
33
33
31
30
30
31
36
40
47
50
51
53
54
55

Pressure (mb)

1022
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

309
308
307
307
307
306
306
306
304
303
303
303
303
305
306
306
305
306
305
306
306
306
306
305

Thursday 13

Waxing Crescent 1%

06:43

21:01

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

Sun - Rise: 05:59, Set: 20:43, Transit: 13:21. Moon - Rise: 06:43, Set: 21:01. Civil Dark: 21:21 - 05:21. Nautical Dark: 22:09 - 04:33. Astro Dark: 23:09 - 03:33

Total Clouds (% Sky Obscured)

48
49
50
48
46
45
45
41
29
16
4
12
19
25
29
29
31
47
63
88
93
97
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
35
49
51
48
50
54

Medium Clouds (% Sky Obscured)

15
15
15
17
16
16
16
15
11
5
1
3
6
8
8
11
14
13
10
7
9
34
80
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
10
23
55
73
85
100
78

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
0
0
0
0
0
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
20
23
26
27
28
28
28
29
29
28
26
25
23
20
19
19
18
18

Feels Like (°C)

18
17
17
17
16
17
20
23
26
28
29
29
28
29
28
26
26
24
23
21
20
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

54
54
56
57
57
53
46
40
36
32
30
32
34
34
33
40
47
55
65
80
86
89
89
89

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

304
305
304
303
302
302
303
304
303
303
302
302
303
303
303
302
302
303
303
304
305
307
308
308

Friday 14

Waxing Crescent 5%

08:09

21:14

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 OK
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad

Sun - Rise: 06:01, Set: 20:41, Transit: 13:21. Moon - Rise: 08:09, Set: 21:14. Civil Dark: 21:18 - 05:23. Nautical Dark: 22:07 - 04:35. Astro Dark: 23:05 - 03:36

Total Clouds (% Sky Obscured)

96
94
91
90
77
64
51
48
53
59
68
56
44
43
52
47
37
26
36
30
30
40
45
58

Low Clouds (% Sky Obscured)

58
54
51
52
52
45
35
30
33
31
32
26
19
13
8
4
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

87
90
76
73
29
19
10
6
2
1
0
0
1
1
14
29
37
26
36
30
30
27
20
27

High Clouds (% Sky Obscured)

60
45
4
0
0
0
0
3
13
27
40
25
10
10
6
2
3
2
1
0
5
10
20
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
3
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 (%)

3
0
3
8
10
15
17
18
13
8
3
5
2
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
19
21
22
23
24
24
24
24
24
23
22
21
19
17
15
15
15
15

Feels Like (°C)

19
19
19
19
20
22
22
23
24
24
24
22
22
22
22
21
21
21
17
17
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
93
93
93
85
80
73
65
60
59
58
58
57
56
56
56
64
73
85
84
86
86

Pressure (mb)

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

Ozone (du)

309
313
318
318
318
317
315
314
314
314
313
312
311
310
309
308
307
306
307
307
308
308
308
308

Saturday 15

Waxing Crescent 10%

09:31

21:26

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 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:02, Set: 20:39, Transit: 13:21. Moon - Rise: 09:31, Set: 21:26. Civil Dark: 21:16 - 05:25. Nautical Dark: 22:04 - 04:37. Astro Dark: 23:02 - 03:39

Total Clouds (% Sky Obscured)

86
81
84
82
82
87
91
100
99
98
96
72
48
25
40
56
73
73
73
70
78
81
84
73

Low Clouds (% Sky Obscured)

10
14
22
28
35
36
39
37
39
40
44
36
25
20
25
28
30
20
10
0
0
0
0
0

Medium Clouds (% Sky Obscured)

51
79
84
82
82
87
91
85
62
38
20
31
42
25
27
16
2
1
1
0
17
35
52
46

High Clouds (% Sky Obscured)

40
44
37
25
17
45
72
99
95
91
86
61
32
5
20
36
51
59
66
70
73
72
72
65

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
2
2
5
4
2
2
1
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)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
14
16
17
19
19
20
21
21
21
21
20
20
19
18
16
14
12
11
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
79
79
79
80
74
67
61
59
56
54
55
55
56
58
59
61
66
72
78
81
85
88

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

309
309
309
310
311
312
313
314
315
316
317
318
318
318
318
317
317
316
316
317
317
317
318
319

Sunday 16

Waxing Crescent 18%

10:50

21:38

Sun - Rise: 06:04, Set: 20:37, Transit: 13:20. Moon - Rise: 10:50, Set: 21:38. Civil Dark: 21:14 - 05:27. Nautical Dark: 22:02 - 04:39. Astro Dark: 22:58 - 03:42

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Llanrhidian, City and County of Swansea, United Kingdom (51.61,-4.17)

Generated: 10/08/26 02:01:34. Forecast: 10/08/26 to 16/08/26. Timezone: UTC+1.00