Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 24%

01:31

16:22

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
15 Bad

Sun - Rise: 07:30, Set: 18:09, Transit: 12:49. Moon - Rise: 01:31, Set: 16:22. Civil Dark: 18:43 - 06:57. Nautical Dark: 19:22 - 06:18. Astro Dark: 20:00 - 05:39

Total Clouds (% Sky Obscured)

95
93
84
69
71
84
84
88
95
89
88
90
89
76
66
60
60
65
75
73
73
84
78
57

Low Clouds (% Sky Obscured)

87
74
69
69
71
84
84
88
95
89
88
90
89
76
66
60
60
65
75
73
73
84
78
57

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
0
0

High Clouds (% Sky Obscured)

3
3
3
3
3
3
3
3
3
2
0
3
0
3
3
3
3
2
2
3
3
3
3
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
61
71
80
84
84
85
85
87
87
87
88
87
84
74
67
67
65
57
54
50
49
48
48

Pressure (mb)

1029
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1028
1028
1028
1028
1027
1027
1027
1026

Ozone (du)

267
267
267
267
268
268
268
268
267
267
267
267
268
269
270
271
271
271
271
271
272
273
273
271

Thursday 16

Waning Crescent 16%

02:49

16:37

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

Sun - Rise: 07:32, Set: 18:07, Transit: 12:49. Moon - Rise: 02:49, Set: 16:37. Civil Dark: 18:41 - 06:58. Nautical Dark: 19:20 - 06:20. Astro Dark: 19:58 - 05:41

Total Clouds (% Sky Obscured)

50
68
75
71
56
44
53
52
46
45
48
49
48
53
54
70
83
86
89
84
75
69
68
67

Low Clouds (% Sky Obscured)

50
68
75
71
56
44
53
52
46
45
48
49
48
53
54
57
62
81
76
77
75
69
67
67

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
0
0

High Clouds (% Sky Obscured)

4
4
7
6
5
6
2
4
4
2
2
11
2
2
11
47
67
54
57
31
4
3
2
1

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
1
3
3
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
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
56
65
66
62
64
75
84
87
87
88
88
88
88
88
88
88
81
71
64
59
56
52
51

Pressure (mb)

1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

269
270
272
270
270
271
271
270
269
270
271
271
271
272
272
272
272
273
274
273
274
275
274
274

Friday 17

Waning Crescent 9%

04:04

16:49

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

Sun - Rise: 07:34, Set: 18:05, Transit: 12:48. Moon - Rise: 04:04, Set: 16:49. Civil Dark: 18:39 - 07:00. Nautical Dark: 19:18 - 06:21. Astro Dark: 19:56 - 05:43

Total Clouds (% Sky Obscured)

67
70
73
77
80
81
76
64
28
48
42
55
74
77
100
100
100
91
83
88
100
100
99
99

Low Clouds (% Sky Obscured)

67
70
73
77
80
81
76
64
28
46
31
49
69
51
44
47
31
49
54
46
65
62
55
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
2
62
65
25
83

High Clouds (% Sky Obscured)

1
7
2
4
4
2
3
1
8
17
24
17
38
76
100
100
100
77
49
65
100
96
93
89

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
2
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
5
5
4
4
5
5
4
4
4
4
4
4
4
4
5
4
5
7
9
11
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
5
5
5
5

Relative Humidity (%)

52
58
65
68
71
77
80
81
84
87
88
90
91
91
93
95
93
87
76
64
56
53
52
51

Pressure (mb)

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

Ozone (du)

274
273
274
275
276
278
277
278
279
279
280
280
278
279
278
278
278
277
277
277
279
279
279
279

Saturday 18

Waning Crescent 4%

05:16

17:00

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
15 Bad

Sun - Rise: 07:36, Set: 18:03, Transit: 12:48. Moon - Rise: 05:16, Set: 17:00. Civil Dark: 18:37 - 07:02. Nautical Dark: 19:16 - 06:23. Astro Dark: 19:54 - 05:44

Total Clouds (% Sky Obscured)

97
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
38
38
44
48
48
47
44
39
41
43
43
43
42
45
53
64
70
82
96
100
100
100
100

Medium Clouds (% Sky Obscured)

63
40
49
64
69
78
99
99
97
99
99
97
99
99
100
100
100
92
98
100
100
99
99
98

High Clouds (% Sky Obscured)

90
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
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
8
6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
2
22
35
45
57
67
74
93
95
95
95
95
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.5
0.9
1.4
1
0.6
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
57
67
73
76
72
71
69
75
80
81
83
84
81
83
84
84
77
72
67
67
86
92
89

Pressure (mb)

1021
1020
1020
1020
1019
1019
1018
1017
1016
1015
1014
1013
1012
1012
1011
1010
1009
1008
1007
1005
1004
1003
1002
1001

Ozone (du)

279
277
275
274
274
274
274
274
273
272
273
273
272
273
273
275
275
274
275
276
275
274
274
275

Sunday 19

Waning Crescent 1%

06:28

17:09

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
15 Bad

Sun - Rise: 07:37, Set: 18:01, Transit: 12:48. Moon - Rise: 06:28, Set: 17:09. Civil Dark: 18:35 - 07:03. Nautical Dark: 19:14 - 06:25. Astro Dark: 19:52 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
97
94
90
93
96
100
100
100
100
97
93
88
86
85
88
91
95
99
100
100
100

Low Clouds (% Sky Obscured)

94
89
83
75
68
53
55
59
63
63
64
64
69
75
81
64
66
67
65
63
61
62
62
59

Medium Clouds (% Sky Obscured)

92
85
76
77
81
83
88
93
100
78
22
0
9
19
27
45
27
25
14
8
11
18
27
35

High Clouds (% Sky Obscured)

100
99
99
75
50
30
28
25
22
48
74
100
76
50
20
61
53
60
75
80
85
92
95
97

ISS Passover

Visibility (miles)

9
9
8
6
7
6
3
7
1
3
5
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
None
Very Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

65
61
64
50
55
65
78
86
76
42
28
15
13
9
3
33
42
42
37
34
30
32
36
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
10
9
9
10
11
9
9
8
9
10
9
9
9
9
10
9
8
8
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
83
86
89
87
92
96
98
96
96
90
93
93
95
95
90
84
80
75
70
66
67
69

Pressure (mb)

1000
1000
999
999
998
998
997
997
996
995
995
995
995
995
995
995
995
995
995
995
995
995
995
995

Ozone (du)

274
276
277
275
273
275
277
278
275
277
281
283
286
289
290
290
291
292
293
293
292
292
291
291

Monday 20

Waning Crescent 0%

07:40

17:20

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
15 Bad

Sun - Rise: 07:39, Set: 17:59, Transit: 12:48. Moon - Rise: 07:40, Set: 17:20. Civil Dark: 18:33 - 07:05. Nautical Dark: 19:12 - 06:26. Astro Dark: 19:50 - 05:48

Total Clouds (% Sky Obscured)

100
99
99
98
100
100
96
95
94
95
93
93
90
87
84
78
73
68
73
81
89
89
84
89

Low Clouds (% Sky Obscured)

58
58
57
65
75
84
72
60
48
59
72
85
85
81
76
70
62
53
63
75
86
80
75
69

Medium Clouds (% Sky Obscured)

51
67
83
63
38
9
10
10
10
10
14
41
50
54
59
41
22
4
5
3
4
10
17
21

High Clouds (% Sky Obscured)

93
87
81
52
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3

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 (%)

32
26
19
21
19
7
12
14
10
12
12
10
12
14
14
12
8
1
3
3
3
11
14
16

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)

12
12
12
12
12
12
12
12
13
14
14
13
13
13
13
12
13
13
13
13
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
80
87
87
89
90
84
80
75
80
84
90
90
90
91
87
83
79
71
65
59
61
63

Pressure (mb)

995
995
996
996
996
996
996
996
997
997
996
996
996
996
996
996
996
997
997
997
997
997
998
998

Ozone (du)

291
290
290
289
290
292
294
295
296
297
297
298
298
297
296
295
297
298
300
301
301
301
301
302

Tuesday 21

New Moon 1%

08:53

17:32

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Good
22 OK
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: 07:41, Set: 17:57, Transit: 12:48. Moon - Rise: 08:53, Set: 17:32. Civil Dark: 18:31 - 07:07. Nautical Dark: 19:10 - 06:28. Astro Dark: 19:48 - 05:49

Total Clouds (% Sky Obscured)

79
60
52
41
30
17
38
56
77
75
67
62
65
73
87
92
96
100
100
100
100

Low Clouds (% Sky Obscured)

67
60
52
40
23
7
7
6
6
4
4
4
3
2
3
11
14
20
37
56
74

Medium Clouds (% Sky Obscured)

13
7
3
2
1
0
3
5
12
23
22
22
26
30
38
56
74
93
95
96
98

High Clouds (% Sky Obscured)

2
1
0
1
1
2
16
31
45
68
67
62
65
73
82
62
44
25
55
80
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
11
3
5
4
0
0
1
0
1
1
0
1
1
0
4
6
6
19
31
41

Precipitation Amount (mm)

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)

12
11
9
8
7
7
7
6
7
7
7
7
7
7
7
7
7
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
12
12
8
8
9
8
9
9
7
7
7
8
7
7
6
6
7
7
8

Dew Point (°C)

8
8
9
9
8
8
8
8
8
9
9
9
8
8
8
8
8
8
8
8
9

Relative Humidity (%)

64
70
76
81
81
80
79
83
88
95
95
96
95
96
96
95
91
87
83
80
79

Pressure (mb)

998
998
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003

Ozone (du)

302
298
295
291
290
289
289
289
288
288
288
287
287
285
284
283
283
283
284
284
284

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 15/10/25 16:16:28. Forecast: 15/10/25 to 21/10/25. Timezone: UTC+1.00