Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

00:00

No Set

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:11, Set: 19:48, Transit: 13:28. Moon - Rise: 00:00, Set: No Set. Civil Dark: 20:22 - 06:37. Nautical Dark: 21:04 - 05:55. Astro Dark: 21:48 - 05:12

Total Clouds (% Sky Obscured)

67
68
70
70
62
50
49
65
93
72
89
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
60
64
55
58
48
47
48
48
53
51
51
63
68
67
54
55
45
49
50
64
47
45
48

Medium Clouds (% Sky Obscured)

15
19
12
16
4
0
0
0
0
0
18
18
20
60
54
60
61
65
60
68
88
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
52
89
44
66
100
100
99
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
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

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
Light Rain
Light Rain

Precipitation Probability (%)

12
2
8
4
11
11
11
12
14
14
8
3
5
11
7
16
18
19
23
37
60
69
82
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.4

Wind Speed/Direction (mph)

23
21
19
17
15
14
14
12
11
10
8
6
6
5
5
6
7
9
11
10
10
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
84
84
86
86
87
87
90
91
91
95
95
96
98
95
90
83
79
75
75
79
80
80

Pressure (mb)

1009
1010
1011
1013
1013
1013
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1017
1017
1017
1017
1016
1015

Ozone (du)

309
308
305
304
305
306
307
305
306
303
301
298
298
295
294
292
290
286
284
280
277
273
271
268

Tuesday 16

Waning Crescent 20%

01:22

18:09

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:13, Set: 19:46, Transit: 13:28. Moon - Rise: 01:22, Set: 18:09. Civil Dark: 20:20 - 06:38. Nautical Dark: 21:01 - 05:57. Astro Dark: 21:45 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
96
100
91
99
91
85
48
68
57
92
100
99
80
80
88

Low Clouds (% Sky Obscured)

77
90
90
96
94
93
99
96
89
84
87
91
98
84
82
43
38
46
57
39
39
40
39
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
62
28
40
35
0
0
0
0
0
0
1
1
0
0
14
4
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
98
98
86
85
87
21
50
55
2
2
17
7
36
100
93
40
42
50

ISS Passover

Visibility (miles)

9
9
4
3
3
2
2
5
9
9
5
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
90
54
49
46
17
25
21
6
6
12
10
1
0
1
1
1
0

Precipitation Amount (mm)

0.8
1.2
2.1
2.4
2.1
3
2
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
5
9
10
9
12
15
16
17
18
14
13
13
16
17
17
18
19
20
20
19
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
92
96
96
98
96
96
96
98
96
96
96
93
92
90
87
85
79
75
75
73
74
76

Pressure (mb)

1014
1013
1013
1011
1009
1007
1005
1004
1003
1002
1002
1002
1003
1003
1004
1005
1006
1006
1007
1007
1008
1008
1009
1009

Ozone (du)

267
265
263
262
260
260
258
259
260
261
263
266
267
270
271
270
272
272
270
268
267
266
267
267

Wednesday 17

Waning Crescent 12%

02:47

18:33

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:14, Set: 19:43, Transit: 13:28. Moon - Rise: 02:47, Set: 18:33. Civil Dark: 20:18 - 06:40. Nautical Dark: 20:59 - 05:59. Astro Dark: 21:42 - 05:16

Total Clouds (% Sky Obscured)

69
81
77
96
81
87
94
100
100
100
100
100
100
100
100
100
95
97
100
68
94
90
94
97

Low Clouds (% Sky Obscured)

48
42
42
44
39
45
77
77
82
72
72
71
99
100
100
100
87
69
65
54
47
58
42
36

Medium Clouds (% Sky Obscured)

1
6
18
40
12
71
92
94
93
100
95
56
80
43
41
45
56
57
41
40
68
57
35
84

High Clouds (% Sky Obscured)

27
68
53
60
47
59
16
48
98
75
89
100
96
92
100
70
85
55
50
14
33
22
45
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
9
3
9
9
6
9
9
9
9
9
9
8
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
9
22
33
45
66
30
26
46
27
34
34
20
5
6
16
20
18
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
11
12
10
10
10
11
10
9
9
10
10
11
12
12
14
15
17
17
17
17

Dew Point (°C)

11
11
11
11
11
11
11
10
11
11
11
12
13
12
13
13
13
13
13
13
13
15
15
15

Relative Humidity (%)

80
83
93
93
93
95
93
92
93
95
95
96
98
93
95
95
96
89
85
79
72
77
77
80

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

267
268
268
269
270
269
266
265
264
264
264
264
266
266
268
268
268
269
272
273
272
273
274
274

Thursday 18

Waning Crescent 6%

04:11

18:50

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:16, Set: 19:41, Transit: 13:27. Moon - Rise: 04:11, Set: 18:50. Civil Dark: 20:15 - 06:42. Nautical Dark: 20:56 - 06:01. Astro Dark: 21:39 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
52
72
71
62
69
90
87
41
43
40
45
62
61
65
57
53
45
41
39
32
44
40
61

Medium Clouds (% Sky Obscured)

44
88
88
83
88
87
100
100
99
99
94
92
100
98
90
96
92
66
95
95
96
97
98
99

High Clouds (% Sky Obscured)

100
99
100
99
100
96
100
100
99
100
81
57
51
70
86
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
8
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 (%)

22
21
19
18
36
46
50
43
38
33
30
29
25
33
38
39
32
28
26
26
27
32
30
23

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
10
8
7
7
8
9
10
10
10
10
11
11
10
10
10
10
9
11
10
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
93
93
95
95
93
93
93
95
95
95
93
95
93
92
87
82
78
74
74
72
73
78

Pressure (mb)

1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1011
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1012

Ozone (du)

275
277
278
279
278
278
277
279
280
281
281
281
283
283
283
283
283
282
283
283
283
283
283
283

Friday 19

Waning Crescent 2%

05:30

19:02

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:18, Set: 19:38, Transit: 13:27. Moon - Rise: 05:30, Set: 19:02. Civil Dark: 20:13 - 06:43. Nautical Dark: 20:54 - 06:03. Astro Dark: 21:36 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
90
86
81
84
87

Low Clouds (% Sky Obscured)

67
77
62
48
57
62
67
66
65
60
67
72
77
81
81
80
78
74
70
68
62
60
59
57

Medium Clouds (% Sky Obscured)

100
96
90
83
88
82
93
69
65
58
86
87
79
60
46
20
20
15
15
15
5
5
6
12

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
89
78
67
58
39
12
11
17
40
40
80

ISS Passover

Visibility (miles)

9
9
9
9
2
7
9
7
8
5
9
9
4
2
5
7
9
8
6
5
6
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

11
10
16
61
73
44
33
41
36
17
16
8
5
66
67
62
71
80
86
92
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.4
0.5
0
0
0
0
0
0
0
0
0.3
0.3
0
0.3
0.5
0.6
0.7
0.8
1
1.1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
82
92
96
96
95
96
96
96
98
98
100
96
93
92
89
87
86
83
82
79
83

Pressure (mb)

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

Ozone (du)

284
285
284
284
282
284
286
287
288
290
291
292
294
297
301
306
311
313
316
318
320
322
325
326

Saturday 20

Waning Crescent 0%

06:47

19:12

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:19, Set: 19:36, Transit: 13:27. Moon - Rise: 06:47, Set: 19:12. Civil Dark: 20:10 - 06:45. Nautical Dark: 20:51 - 06:05. Astro Dark: 21:34 - 05:22

Total Clouds (% Sky Obscured)

86
91
94
100
100
100
100
100
100
100
100
100
100
99
98
96
95
95
95
95
95
95
95
95

Low Clouds (% Sky Obscured)

56
58
77
85
85
85
84
79
72
64
68
71
74
66
59
50
56
67
69
76
84
91
85
78

Medium Clouds (% Sky Obscured)

13
48
76
91
82
75
66
67
68
71
70
70
70
72
70
67
68
72
82
62
42
22
43
62

High Clouds (% Sky Obscured)

86
91
94
100
100
98
92
63
36
9
33
67
91
55
27
3
5
7
9
7
5
3
3
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
88
69
62
66
58
46
47
43
36
42
46
40
40
41

Precipitation Amount (mm)

1.1
1.1
1.3
1.6
1.6
1.7
2
1.4
1
1.1
0.6
0.3
0
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
10
10
11
14
16
19
19
18
19
18
18
18
18
17
17
16
16
16
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
9
9
8
8
8
8
8
8
8
7
7
8
8
8
9
9
9
8
8
8

Relative Humidity (%)

87
92
91
95
96
95
93
91
91
91
91
93
95
95
93
93
91
90
88
86
83
79
75
80

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

327
329
328
327
326
326
325
324
326
327
328
328
328
329
328
327
327
327
327
327
328
328
329
330

Sunday 21

New Moon 1%

08:01

19:21

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

Sun - Rise: 07:21, Set: 19:34, Transit: 13:26. Moon - Rise: 08:01, Set: 19:21. Civil Dark: 20:08 - 06:47. Nautical Dark: 20:48 - 06:06. Astro Dark: 21:31 - 05:24

Total Clouds (% Sky Obscured)

95
94
93
92
94
96
91
88
88
88
88
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
81
84
87
86
86
86
83
82
82
77
74
73
76
83
86
91
95
100

Medium Clouds (% Sky Obscured)

83
64
46
24
23
25
24
28
32
37
42
45
52
47
46
41
44
42
40

High Clouds (% Sky Obscured)

1
0
0
0
1
1
2
4
7
15
16
14
14
17
19
26
25
26
26

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

38
39
37
25
37
41
39
36
29
11
31
38
37
47
60
74
68
56
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0

Wind Speed/Direction (mph)

12
10
10
8
7
7
7
8
7
6
6
6
6
6
6
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
8
8
7
8
7
7
8
8
8
8
7
7
7
7
8
8
8

Relative Humidity (%)

83
88
88
91
93
93
95
96
96
95
95
95
95
96
91
88
84
84
84

Pressure (mb)

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

Ozone (du)

331
332
332
333
334
333
333
333
333
334
334
334
334
333
333
334
334
332
331

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

Generated: 15/09/25 18:50:55. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00