Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 1%

10:07

17:46

12 OK
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
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:42, Set: 17:55, Transit: 12:48. Moon - Rise: 10:07, Set: 17:46. Civil Dark: 18:29 - 07:08. Nautical Dark: 19:08 - 06:29. Astro Dark: 19:46 - 05:51

Total Clouds (% Sky Obscured)

46
47
58
76
100
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100
99
94

Low Clouds (% Sky Obscured)

46
47
48
52
31
30
33
59
66
100
100
76
88
85
100
90
89
97
86
89
84
84
74
74

Medium Clouds (% Sky Obscured)

46
47
58
76
59
92
100
100
100
100
100
100
45
40
35
25
100
77
85
86
100
100
99
93

High Clouds (% Sky Obscured)

46
47
58
76
90
100
100
100
100
100
100
100
31
0
0
55
50
45
40
40
41
70
72
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
4
1
1
6
9
6
9
4
9
9
4
2
2
2
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
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
13
4
2
9
78
95
95
95
95
95
86
83
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
1.5
3.5
4.7
3.6
1.3
0.4
0.4
1.2
0.7
0.7
1
1.4
2.4
1.6
1.3
0.7

Wind Speed/Direction (mph)

5
5
6
5
7
6
5
5
7
9
13
13
16
15
12
15
19
24
25
24
25
28
29
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
12
11
10
9
8
8
7
5
6
7
7
8
7
4
1
-1
-1
-2
-2
-3
-2

Dew Point (°C)

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

Relative Humidity (%)

74
69
64
62
65
71
76
80
85
93
93
96
88
87
93
95
95
88
87
88
91
90
88
87

Pressure (mb)

999
999
998
997
996
995
994
993
991
989
986
983
980
977
975
974
974
975
976
977
978
979
981
983

Ozone (du)

296
299
296
293
290
290
288
287
288
287
290
295
306
305
304
310
315
317
326
333
342
340
348
347

Thursday 23

Waxing Crescent 4%

11:19

18:05

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

Sun - Rise: 07:44, Set: 17:53, Transit: 12:48. Moon - Rise: 11:19, Set: 18:05. Civil Dark: 18:27 - 07:10. Nautical Dark: 19:06 - 06:31. Astro Dark: 19:44 - 05:52

Total Clouds (% Sky Obscured)

95
97
96
74
49
86
98
100
47
21
0
0
0
36
0
0
30
44
47
45
48
64
83
92

Low Clouds (% Sky Obscured)

61
38
50
39
0
38
22
6
17
0
0
0
0
6
0
0
30
44
47
45
48
44
83
84

Medium Clouds (% Sky Obscured)

94
91
67
74
49
86
98
100
47
21
0
0
0
13
0
0
0
0
0
0
0
19
1
11

High Clouds (% Sky Obscured)

72
59
94
72
49
45
45
40
27
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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 (%)

49
31
19
18
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
30

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)

29
27
27
25
24
23
22
21
21
19
17
16
16
15
15
15
14
14
13
12
11
12
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
0
1
2
2
1
1
0
-0
0
-0
0
-1
1
1
1
1
2
2
2
3
3
4
5

Dew Point (°C)

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

Relative Humidity (%)

82
81
78
77
73
67
66
68
68
69
70
71
72
74
76
75
76
76
79
82
83
82
78
73

Pressure (mb)

985
987
988
990
991
992
994
995
996
997
998
999
999
999
999
999
999
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

344
342
344
337
334
330
331
329
331
331
328
325
325
325
323
315
313
308
306
304
302
300
299
299

Friday 24

Waxing Crescent 8%

No Rise

18:30

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

Sun - Rise: 07:46, Set: 17:51, Transit: 12:48. Moon - Rise: No Rise, Set: 18:30. Civil Dark: 18:25 - 07:12. Nautical Dark: 19:04 - 06:33. Astro Dark: 19:43 - 05:54

Total Clouds (% Sky Obscured)

93
98
100
91
96
87
74
78
67
74
76
35
28
54
67
63
85
78
86
85
85
84
84
84

Low Clouds (% Sky Obscured)

81
81
72
58
88
77
62
66
59
69
67
35
28
42
46
41
72
71
46
44
43
45
56
61

Medium Clouds (% Sky Obscured)

50
95
94
90
36
65
67
78
67
74
76
4
0
6
31
63
59
19
78
85
85
84
84
55

High Clouds (% Sky Obscured)

0
2
55
20
62
0
0
0
0
30
0
0
0
0
38
6
15
2
10
8
10
10
10
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

33
34
34
32
32
32
14
49
95
95
52
2
8
2
31
23
21
24
24
14
45
44
29
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
1.4
1.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
68
70
70
72
72
73
76
87
85
87
87
87
85
85
84
85
85
87
85
88
87
87

Pressure (mb)

1000
999
999
998
998
997
997
997
996
996
996
997
998
999
999
999
999
1000
1000
1000
1001
1001
1002
1003

Ozone (du)

299
296
295
296
297
302
307
304
304
303
307
307
304
302
305
307
305
306
304
304
303
305
304
303

Saturday 25

Waxing Crescent 15%

12:27

19:06

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 OK
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:48, Set: 17:49, Transit: 12:47. Moon - Rise: 12:27, Set: 19:06. Civil Dark: 18:23 - 06:13. Nautical Dark: 19:02 - 05:34. Astro Dark: 19:41 - 04:56

Total Clouds (% Sky Obscured)

83
76
73
59
61
55
40
68
82
95
97
99
100
75
30
34
38
42
40
39
41
54
63
71

Low Clouds (% Sky Obscured)

64
59
55
53
49
45
39
32
20
13
27
40
48
40
28
32
37
42
40
39
41
54
63
71

Medium Clouds (% Sky Obscured)

57
26
19
8
9
8
8
21
29
32
33
34
35
30
0
1
38
42
33
3
3
0
0
0

High Clouds (% Sky Obscured)

5
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7

ISS Passover

Visibility (miles)

9
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 (%)

35
33
31
31
27
13
2
0
0
0
26
37
31
38
11
18
26
14
5
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
8
8
7
7
6
6
6
6
6
5
5
5
5
5
6
6
7
8
8

Feels Like (°C)

4
4
4
3
4
2
2
2
1
0
0
0
0
0
1
1
0
-1
-1
-1
-1
0
2
3

Dew Point (°C)

7
7
7
6
6
6
4
4
3
2
2
3
3
3
2
2
2
2
1
1
1
1
2
3

Relative Humidity (%)

88
87
87
84
82
82
79
79
75
75
76
79
82
82
80
82
83
80
75
71
70
69
68
67

Pressure (mb)

1003
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1011
1011
1012
1012

Ozone (du)

305
304
304
299
299
301
294
287
293
297
295
295
297
298
304
307
304
299
296
296
296
296
295
296

Sunday 26

Waxing Crescent 22%

12:25

18:54

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:49, Set: 16:47, Transit: 11:47. Moon - Rise: 12:25, Set: 18:54. Civil Dark: 17:21 - 06:15. Nautical Dark: 18:00 - 05:36. Astro Dark: 18:39 - 04:57

Total Clouds (% Sky Obscured)

78
87
96
99
100
99
99
98
97
98
99
100
89
78
68
72
76
85
84
82
81
71
62
57

Low Clouds (% Sky Obscured)

56
42
16
34
53
73
72
75
73
69
65
61
59
57
55
57
58
60
61
62
63
61
58
55

Medium Clouds (% Sky Obscured)

22
40
60
67
74
91
91
91
80
52
26
7
20
42
67
72
76
82
80
75
73
71
62
57

High Clouds (% Sky Obscured)

33
59
94
72
47
17
41
62
80
70
94
100
70
43
40
48
45
51
68
71
55
50
30
35

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
10
12
13
17
20
23
38
48
55
72
52
15
18
21
24
34
40
45
38
31
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
2
2
3
3
3
4
4
3
3
3
4
5
5
6
7
7
8
8
8
9
9
9
10

Relative Humidity (%)

66
58
59
62
67
69
75
79
77
73
74
81
85
84
84
84
85
88
90
90
90
91
87
86

Pressure (mb)

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

Ozone (du)

297
295
294
292
290
290
287
286
287
285
284
283
281
279
277
275
275
275
275
276
277
277
277
276

Monday 27

Waxing Crescent 31%

13:11

19:56

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:51, Set: 16:45, Transit: 11:47. Moon - Rise: 13:11, Set: 19:56. Civil Dark: 17:20 - 06:17. Nautical Dark: 17:59 - 05:37. Astro Dark: 18:37 - 04:59

Total Clouds (% Sky Obscured)

53
51
46
57
69
80
75
72
66
70
72
72
78
77
77
81
85
88
80
73
69
68
68
67

Low Clouds (% Sky Obscured)

50
48
46
57
63
70
61
52
43
44
44
46
49
49
47
56
64
73
72
72
69
68
68
67

Medium Clouds (% Sky Obscured)

53
47
32
27
20
10
7
8
7
6
9
9
19
33
30
30
26
21
15
20
29
21
12
4

High Clouds (% Sky Obscured)

24
9
4
4
3
2
2
3
3
2
1
0
3
6
9
6
3
1
2
3
6
12
18
24

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 (%)

21
18
15
13
12
11
11
10
9
8
6
2
5
4
1
5
5
1
2
2
1
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
9
9
8
8
8
7
6
7
7
8
8
8
7
7
7
6
6
6
6
6
7
7
7

Dew Point (°C)

10
10
10
10
9
9
8
8
8
8
8
8
8
7
7
6
6
5
5
5
6
6
6
6

Relative Humidity (%)

83
84
83
84
83
84
83
84
87
87
87
87
87
81
77
73
73
71
69
69
69
70
67
64

Pressure (mb)

1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

275
274
273
272
271
270
269
268
267
266
265
264
264
264
264
264
263
263
263
263
263
264
263
263

Tuesday 28

Waxing Crescent 41%

13:45

21:09

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

Sun - Rise: 06:53, Set: 16:43, Transit: 11:47. Moon - Rise: 13:45, Set: 21:09. Civil Dark: 17:18 - 06:18. Nautical Dark: 17:57 - 05:39. Astro Dark: 18:36 - 05:00

Total Clouds (% Sky Obscured)

72
77
82
88
94
100
100
100
100
100
100
100
100
100
100
91
82
73

Low Clouds (% Sky Obscured)

72
77
82
68
52
28
23
18
16
17
15
15
25
38
52
45
38
32

Medium Clouds (% Sky Obscured)

3
2
2
1
1
0
2
2
3
0
0
4
13
23
29
26
25
14

High Clouds (% Sky Obscured)

17
15
13
41
71
100
100
100
100
99
98
98
95
95
96
67
39
10

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

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

14
14
13
12
12
11
10
10
9
8
8
8
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
10
9
9
9
10
10
5
6
6
5
5
5
7
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

62
64
65
67
71
75
78
81
84
85
80
74
69
71
73
74
73
72

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

263
263
262
262
262
261
261
262
263
264
263
263
263
262
262
261
260
260

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

Generated: 22/10/25 12:26:03. Forecast: 22/10/25 to 28/10/25. Timezone: UTC+1.00