Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 12

Third Quarter 39%

23:38

13:44

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
07 Bad
08 Bad

Sun - Rise: 07:19, Set: 16:18, Transit: 11:48. Moon - Rise: 23:38, Set: 13:44. Civil Dark: 16:54 - 06:43. Nautical Dark: 17:35 - 06:02. Astro Dark: 18:14 - 05:23

Total Clouds (% Sky Obscured)

97
96
98
100
98
100
100
98
96
97
100
100
96
100
97
100
99
100
100
99
100
100
100
98

Low Clouds (% Sky Obscured)

59
49
56
54
71
63
52
40
42
32
24
30
30
50
47
70
68
75
56
71
81
78
82
70

Medium Clouds (% Sky Obscured)

97
96
51
77
39
62
41
42
46
89
49
92
66
54
43
54
47
76
29
52
28
36
46
63

High Clouds (% Sky Obscured)

78
44
32
85
91
98
94
90
76
87
100
98
81
100
72
62
54
100
70
72
46
61
100
91

ISS Passover

Visibility (miles)

9
5
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

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

Precipitation Probability (%)

70
70
47
32
12
4
0
0
0
1
0
0
5
44
37
34
26
27
17
11
10
13
5
4

Precipitation Amount (mm)

0.3
0.4
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
10
10
12
11
12
11
10
10
10
11
10
11
10
10
10
11
13
12
11
12
11
9
7

Chance of Frost

Temperature (°C)

13
13
14
14
14
14
14
13
13
13
13
13
13
13
13
13
13
14
14
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
92
89
90
90
87
90
92
89
86
87
87
86
89
92
92
89
89
93
92
92
92
93

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1002
1003
1002
1003
1003
1003
1004
1003
1004
1004
1005
1005
1006

Ozone (du)

278
279
279
278
276
276
275
276
277
276
275
274
273
272
274
273
274
276
278
278
278
279
282
284

Thursday 13

Waning Crescent 29%

00:54

13:57

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
07 Bad
08 Bad

Sun - Rise: 07:21, Set: 16:16, Transit: 11:48. Moon - Rise: 00:54, Set: 13:57. Civil Dark: 16:53 - 06:44. Nautical Dark: 17:34 - 06:04. Astro Dark: 18:13 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
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)

64
64
52
57
55
44
39
35
31
54
76
60
73
74
72
71
84
91
91
89
92
88
87
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
100
100
100
100
100
100
100
100
99
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

75
100
100
100
100
100
100
100
100
100
100
100
100
51
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
2
4
4
7
4
4
6
9
7
9
3
3
2

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
3
13
63
95
95
94
95
95
95
93
88
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
1.2
0.6
0.6
0.8
1
0.8
0.8
0.6
0.6
1.6
2
2.7
2.7

Wind Speed/Direction (mph)

7
9
9
8
7
6
4
3
2
2
3
2
5
5
9
11
13
13
12
14
15
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
12
13
13
14
13
12
12
12
12
11
11
9
9
7
7
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

93
87
87
83
82
82
84
90
92
93
93
95
96
96
95
95
93
92
92
93
92
93
93
93

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006

Ozone (du)

285
285
286
285
286
288
288
288
288
289
290
290
290
289
288
288
287
285
285
286
284
284
284
284

Friday 14

Waning Crescent 21%

02:07

14:08

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
07 Bad
08 Bad

Sun - Rise: 07:23, Set: 16:15, Transit: 11:48. Moon - Rise: 02:07, Set: 14:08. Civil Dark: 16:52 - 06:46. Nautical Dark: 17:32 - 06:05. Astro Dark: 18:12 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
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)

89
88
97
100
98
100
84
88
95
100
100
96
93
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
99
94
100
100
20
20
11
5
6
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
87
100
100
70
65
0
0
2
1
1
0
4
3
2
0

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
91
68
40
40
21
8
2
2
2
2
1

Precipitation Amount (mm)

3.3
3.2
2.5
1.6
0.9
1.1
0.9
1.3
1.8
1.5
0.9
1.6
1.5
0.6
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
11
12
12
12
12
12
11
11
11
11
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
93
95
95
95
93
93
95
95
95
95
95
93
93
91
91
90
88
88
88

Pressure (mb)

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

Ozone (du)

285
286
287
288
289
291
293
297
296
298
297
297
298
296
295
294
293
292
291
290
290
290
291
290

Saturday 15

Waning Crescent 13%

03:19

14:18

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
07 Bad
08 Bad

Sun - Rise: 07:24, Set: 16:14, Transit: 11:48. Moon - Rise: 03:19, Set: 14:18. Civil Dark: 16:51 - 06:47. Nautical Dark: 17:31 - 06:06. Astro Dark: 18:11 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
86
86
100
100
100
100
100
100
100
95
92
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
86
86
100
100
100
100
100
100
100
86
87
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
23
35
42
39
33
41
41
44
50
39
36

High Clouds (% Sky Obscured)

0
0
1
0
0
0
3
6
10
22
33
45
60
71
80
50
23
0
0
0
0
0
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 (%)

4
5
3
3
8
1
3
4
5
5
5
2
6
5
1
12
13
6
10
11
5
6
4
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)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
7
7
7
7
7
6
6
5
6
6
5
5
5
5
5
4
4
2
1
3

Relative Humidity (%)

87
87
85
84
82
84
82
84
84
78
78
80
81
78
78
77
75
77
77
74
75
68
60
68

Pressure (mb)

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

Ozone (du)

290
290
289
287
286
284
284
282
282
282
283
283
283
285
287
288
287
288
290
293
293
293
295
296

Sunday 16

Waning Crescent 13%

04:30

14:28

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 OK
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:26, Set: 16:12, Transit: 11:48. Moon - Rise: 04:30, Set: 14:28. Civil Dark: 16:49 - 06:49. Nautical Dark: 17:30 - 06:08. Astro Dark: 18:10 - 05:28

Total Clouds (% Sky Obscured)

100
100
89
86
81
81
85
88
88
78
60
42
37
36
34
42
48
57
61
65
55
55
62
66

Low Clouds (% Sky Obscured)

100
100
76
76
76
81
85
88
88
75
57
35
34
32
31
40
48
57
61
65
55
55
62
66

Medium Clouds (% Sky Obscured)

44
48
52
42
26
13
16
19
20
13
6
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

1
2
1
3
3
1
4
5
5
8
9
9
6
3
0
0
0
0
1
2
2
6
7
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
5
5
5
6
5
5
4
2
1
2
1
1
0
0
1
0
0
0
-0
0
0

Dew Point (°C)

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

Relative Humidity (%)

68
69
69
67
65
68
69
73
77
74
57
59
64
70
72
72
76
82
86
86
85
82
83
83

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023

Ozone (du)

297
299
302
302
300
295
292
290
287
283
275
268
266
265
264
263
263
262
262
261
260
258
257
256

Monday 17

Waning Crescent 7%

05:42

14:40

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

Sun - Rise: 07:28, Set: 16:11, Transit: 11:49. Moon - Rise: 05:42, Set: 14:40. Civil Dark: 16:48 - 06:50. Nautical Dark: 17:29 - 06:09. Astro Dark: 18:09 - 05:30

Total Clouds (% Sky Obscured)

56
40
22
32
41
51
51
48
46
47
47
50
49
44
43
53
61
68
78
88
98
98
98
98

Low Clouds (% Sky Obscured)

56
40
22
32
41
49
46
45
42
45
47
50
48
44
43
47
55
55
56
58
59
67
75
83

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
31
58
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
68
98
90
80
67

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 (%)

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

Chance of Frost

Temperature (°C)

5
6
7
8
8
8
8
7
6
5
4
4
3
3
2
2
2
1
1
1
0
-1
-0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
76
70
63
64
66
68
71
75
79
82
82
85
85
86
89
89
89
88
88
86
84
84
84

Pressure (mb)

1023
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

255
258
262
265
264
262
261
259
257
255
256
257
259
262
265
267
267
267
267
272
276
281
284
287

Tuesday 18

Waning Crescent 3%

06:55

14:53

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

Sun - Rise: 07:29, Set: 16:10, Transit: 11:49. Moon - Rise: 06:55, Set: 14:53. Civil Dark: 16:47 - 06:52. Nautical Dark: 17:28 - 06:11. Astro Dark: 18:08 - 05:31

Total Clouds (% Sky Obscured)

98
98
97
98
99
100
97
94
91
89
86
83
69
64
63
57
54
55
53
47
41

Low Clouds (% Sky Obscured)

79
75
72
74
77
79
79
79
78
74
66
61
64
63
63
50
41
30
26
21
16

Medium Clouds (% Sky Obscured)

60
35
11
18
29
36
28
18
7
5
4
5
8
10
12
11
9
8
5
2
0

High Clouds (% Sky Obscured)

53
40
27
46
60
74
62
46
39
29
18
1
1
0
0
0
0
0
0
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

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 (%)

2
4
6
10
13
14
18
18
14
12
8
2
5
6
6
15
19
19
24
27
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

Wind Speed/Direction (mph)

3
3
3
4
4
5
6
6
5
5
5
4
4
4
5
5
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
77
74
71
73
76
80
85
89
94
94
94
94
94
93
94
93
93
93
93
91

Pressure (mb)

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

Ozone (du)

291
289
287
285
286
287
287
287
287
286
286
286
286
284
283
282
281
279
278
281
283

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

Generated: 12/11/25 09:34:55. Forecast: 12/11/25 to 18/11/25. Timezone: UTC+0.00