Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 83%

21:04

10:48

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

Sun - Rise: 06:45, Set: 20:24, Transit: 13:34. Moon - Rise: 21:04, Set: 10:48. Civil Dark: 21:00 - 06:10. Nautical Dark: 21:44 - 05:25. Astro Dark: 22:34 - 04:36

Total Clouds (% Sky Obscured)

74
93
94
100
100
100
100
100
100
100
98
90
87
81
69
71
70
79
86
84
83
67
75
85

Low Clouds (% Sky Obscured)

56
32
50
41
46
42
52
59
58
69
52
28
32
30
31
34
42
42
50
50
50
47
49
72

Medium Clouds (% Sky Obscured)

0
0
1
10
75
100
98
99
99
99
89
85
74
54
17
16
19
15
15
14
18
15
26
12

High Clouds (% Sky Obscured)

48
93
89
100
100
100
100
100
95
100
56
8
2
3
4
3
4
44
55
55
36
23
21
8

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
6
6
0
9
2
4
17
13
6
3
2
3
2
1
2
2
2
3
2
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
83
82
67
59
61
61
65
61
63
68
73
80
87
92
93
93
95
95
96
96
96
96

Pressure (mb)

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

Ozone (du)

332
328
325
324
326
325
325
324
324
324
323
323
322
321
320
321
321
320
322
324
326
326
325
323

Tuesday 1

Waning Gibbous 74%

21:19

12:13

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

Sun - Rise: 06:47, Set: 20:22, Transit: 13:34. Moon - Rise: 21:19, Set: 12:13. Civil Dark: 20:57 - 06:11. Nautical Dark: 21:42 - 05:28. Astro Dark: 22:31 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
63
60
70
75
65
62
64
57
69
59
51
44
50
56
55
55
56
54
62
66
92
84
85

Medium Clouds (% Sky Obscured)

3
3
4
4
18
98
99
98
95
96
97
92
96
100
100
100
99
100
97
71
76
88
31
17

High Clouds (% Sky Obscured)

97
100
100
100
100
100
100
64
60
67
100
100
100
100
100
100
100
60
100
100
99
100
100
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
5
4
9
5
6
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
None

Precipitation Probability (%)

3
2
4
4
19
26
49
67
62
94
89
55
91
63
35
13
12
20
33
58
56
87
90
58

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.5
0.3
0.9
0.6
0.2
0.6
0.2
0
0
0
0
0
0
0
0.5
0.4
0

Wind Speed/Direction (mph)

6
6
7
9
12
12
12
11
11
10
11
7
6
5
4
5
5
6
8
9
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
95
87
80
74
71
70
76
83
86
90
95
96
98
98
98
98
96
93
95
95
95
98
96

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1015
1015
1014
1013
1013

Ozone (du)

322
322
323
325
325
323
324
324
323
322
319
315
313
311
310
309
309
307
306
303
302
301
300
299

Wednesday 2

Waning Gibbous 63%

21:40

13:41

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

Sun - Rise: 06:49, Set: 20:19, Transit: 13:33. Moon - Rise: 21:40, Set: 13:41. Civil Dark: 20:55 - 06:13. Nautical Dark: 21:39 - 05:30. Astro Dark: 22:28 - 04:41

Total Clouds (% Sky Obscured)

100
99
87
100
99
98
100
100
100
88
100
100
100
89
91
97
100
99
99
98
98
99
99
100

Low Clouds (% Sky Obscured)

79
75
78
69
60
87
73
100
100
79
74
79
77
73
76
80
68
75
71
74
74
70
70
69

Medium Clouds (% Sky Obscured)

9
6
10
14
9
4
6
21
20
13
10
1
0
3
2
0
0
5
5
4
4
6
9
54

High Clouds (% Sky Obscured)

100
58
61
94
99
93
100
83
18
17
59
62
90
42
61
79
41
57
64
69
79
71
86
90

ISS Passover

Visibility (miles)

7
7
9
9
9
9
9
9
9
9
9
9
9
8
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
31
32
33
37
30
3
1
1
21
30
14
44
28
21
8
26
16
15
21
18
30
34
45

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
95
90
86
86
85
70
73
75
78
86
91
92
93
92
92
93
90
93
90
93
95
95

Pressure (mb)

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

Ozone (du)

299
299
299
298
297
297
297
298
298
297
298
298
297
296
295
295
296
296
295
295
296
298
298
298

Thursday 3

Waning Gibbous 60%

22:11

15:09

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

Sun - Rise: 06:50, Set: 20:17, Transit: 13:33. Moon - Rise: 22:11, Set: 15:09. Civil Dark: 20:53 - 06:15. Nautical Dark: 21:36 - 05:32. Astro Dark: 22:24 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
86
92
92
91
91
86
82
77
67
58
51
64
71
79
80
84
81
76
62
61
57
57
62

Medium Clouds (% Sky Obscured)

10
34
10
94
100
99
99
99
99
100
100
100
100
100
99
100
100
100
100
13
10
5
5
0

High Clouds (% Sky Obscured)

83
92
93
83
75
71
58
43
33
68
79
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
5
5
7
4
9
9
9
9
9
7
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

69
92
95
95
95
95
95
95
91
69
65
42
39
34
36
49
60
57
45
27
18
14
9
12

Precipitation Amount (mm)

0.4
0.7
1
1
1.5
1.7
1.2
0.9
0.5
0.2
0.3
0
0
0
0
0
0.4
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
8
7
6
5
6
5
5
6
6
5
6
9
11
13
14
15
15
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
90
86
82
78
79
82
93
96
96
98
96
98
98
95
95
93
92
90
90
89
87
86

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012

Ozone (du)

299
298
297
298
298
297
296
295
295
294
294
295
299
302
304
307
308
313
315
320
321
324
326
330

Friday 4

Third Quarter 51%

22:58

16:30

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

Sun - Rise: 06:52, Set: 20:15, Transit: 13:33. Moon - Rise: 22:58, Set: 16:30. Civil Dark: 20:50 - 06:17. Nautical Dark: 21:34 - 05:34. Astro Dark: 22:21 - 04:46

Total Clouds (% Sky Obscured)

100
99
99
99
100
100
100
100
100
86
80
86
82
83
84
87
84
83
78
75
74
59
45
28

Low Clouds (% Sky Obscured)

65
67
65
63
61
59
57
55
53
50
47
43
61
59
60
60
60
60
60
53
53
40
30
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
5
5
5
10
15
20
11
11
8
4
4
4
0
1
0
0
0
0

High Clouds (% Sky Obscured)

98
96
94
97
99
100
100
100
100
20
25
25
28
32
27
21
19
17
26
35
41
39
34
28

ISS Passover

Visibility (miles)

9
9
9
8
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
26
38
44
45
28
19
16
4
5
4
3
7
8
7
7
6
1
5
4
3
3
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
16
17
17
16
17
17
16
17
16
14
13
12
9
7
6
5
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
83
83
83
81
74
64
65
61
61
67
73
78
86
93
95
93
95
95
96
96
95
96

Pressure (mb)

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

Ozone (du)

332
332
332
332
331
331
329
330
331
333
333
332
331
329
326
324
323
321
319
318
317
316
314
312

Saturday 5

Waning Crescent 39%

00:05

17:35

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

Sun - Rise: 06:54, Set: 20:12, Transit: 13:32. Moon - Rise: 00:05, Set: 17:35. Civil Dark: 20:48 - 06:19. Nautical Dark: 21:31 - 05:36. Astro Dark: 22:18 - 04:49

Total Clouds (% Sky Obscured)

26
29
32
54
75
97
98
99
100
98
96
93
94
96
91
92
93
97
98
97
99
99
100
100

Low Clouds (% Sky Obscured)

17
11
5
23
41
60
57
54
52
43
36
27
48
69
90
92
93
90
81
66
54
56
56
56

Medium Clouds (% Sky Obscured)

4
8
12
25
41
53
55
58
60
56
52
49
53
58
68
76
74
75
65
52
36
29
19
13

High Clouds (% Sky Obscured)

26
29
32
39
44
47
50
57
69
70
72
75
78
82
85
82
74
69
78
87
97
99
100
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
0
3
7
9
9
8
20
28
33
31
29
25
30
33
31
28
22
8
9
6
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)

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

Chance of Frost

Temperature (°C)

10
11
13
14
15
16
17
17
17
17
17
16
16
15
15
14
14
14
14
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
92
86
82
73
66
58
56
53
51
57
63
70
74
80
86
87
90
90
86
82
78
82
86

Pressure (mb)

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

Ozone (du)

310
310
309
309
306
304
302
300
299
297
296
294
293
293
293
293
293
292
291
291
290
290
291
291

Sunday 6

Waning Crescent 28%

01:28

18:20

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
23 Bad
00 Bad

Sun - Rise: 06:55, Set: 20:10, Transit: 13:32. Moon - Rise: 01:28, Set: 18:20. Civil Dark: 20:45 - 06:20. Nautical Dark: 21:28 - 05:38. Astro Dark: 22:15 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
96
96
86
90
92
97
95
94
93
92
92
89
88
90
91

Low Clouds (% Sky Obscured)

56
55
54
57
57
60
54
48
43
45
48
51
53
55
56
54
52
49

Medium Clouds (% Sky Obscured)

10
10
10
16
21
27
21
19
18
14
9
5
6
8
9
8
7
6

High Clouds (% Sky Obscured)

91
91
90
85
85
86
90
92
93
76
61
53
58
49
30
35
48
64

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
23
29
46
56
64
57
49
26
24
21
12
21
27
23
26
26
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
81
75
70
64
59
61
62
65
69
72
77
81
85
90
90
90

Pressure (mb)

1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

292
292
293
293
293
292
292
292
293
293
295
296
297
299
301
302
303
303

Forecast for Castletroy, Limerick, Republic of Ireland (52.67,-8.55)

Generated: 31/08/26 07:40:27. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+1.00