Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 2%

09:06

16:30

15 OK
16 OK
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 OK

Sun - Rise: 07:24, Set: 16:44, Transit: 12:04. Moon - Rise: 09:06, Set: 16:30. Civil Dark: 17:16 - 06:52. Nautical Dark: 17:52 - 06:16. Astro Dark: 18:27 - 05:41

Total Clouds (% Sky Obscured)

47
47
56
79
100
100
100
100
100
100
100
99
100
99
100
100
100
92
93
79
77
64
51
34

Low Clouds (% Sky Obscured)

47
47
56
50
54
100
100
100
92
85
87
83
100
97
100
90
100
90
85
67
65
63
51
34

Medium Clouds (% Sky Obscured)

0
1
19
54
100
100
100
99
86
55
55
47
61
91
39
55
35
38
41
0
0
0
30
0

High Clouds (% Sky Obscured)

4
27
56
79
100
100
100
50
75
21
1
0
0
0
2
0
0
0
5
4
8
4
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
7
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
Very Light Rain
None
Very Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
10
20
34
55
59
64
37
26
51
65
46
36
37
33
22
12
8
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
70
83
84
86
86
86
80
78
77
81
84
91
96
96
96
94
93
89
79
72
67
65
66

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1017
1016
1015
1014
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

295
290
291
293
299
303
306
307
308
312
311
314
316
315
319
313
305
310
312
312
312
311
300
295

Friday 21

Waxing Crescent 6%

10:03

17:09

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

Sun - Rise: 07:26, Set: 16:43, Transit: 12:04. Moon - Rise: 10:03, Set: 17:09. Civil Dark: 17:15 - 06:53. Nautical Dark: 17:51 - 06:17. Astro Dark: 18:26 - 05:42

Total Clouds (% Sky Obscured)

40
32
43
45
41
54
88
95
71
69
77
66
55
36
36
32
29
18
19
18
16
19
18
19

Low Clouds (% Sky Obscured)

40
32
43
45
41
54
87
94
51
48
66
66
55
36
36
32
29
18
19
18
16
19
18
19

Medium Clouds (% Sky Obscured)

0
0
0
2
2
22
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
1
28
17
0
0
3
6
1
0
0
0
0
0
0
0
0
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 (%)

5
6
12
6
9
5
11
7
19
3
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
73
83
85
86
88
88
86
88
84
83
86
92
94
96
94
94
89
77
66
58
53
49
49

Pressure (mb)

1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1016
1017
1017
1018
1018
1018
1018
1017
1017

Ozone (du)

294
296
298
298
294
291
290
289
288
290
290
289
290
292
294
293
294
296
297
298
300
301
303
302

Saturday 22

Waxing Crescent 11%

10:52

17:59

15 OK
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

Sun - Rise: 07:27, Set: 16:42, Transit: 12:04. Moon - Rise: 10:52, Set: 17:59. Civil Dark: 17:15 - 06:55. Nautical Dark: 17:51 - 06:18. Astro Dark: 18:26 - 05:43

Total Clouds (% Sky Obscured)

44
71
64
99
98
100
99
100
100
100
100
99
92
98
98
100
95
97
96
98
93
92
90
90

Low Clouds (% Sky Obscured)

30
18
5
17
49
71
57
54
68
82
89
83
34
46
39
83
87
92
96
96
87
88
85
86

Medium Clouds (% Sky Obscured)

18
51
54
89
92
94
89
99
100
100
100
96
92
96
73
99
26
30
35
36
25
20
18
15

High Clouds (% Sky Obscured)

32
63
31
81
65
72
74
91
97
79
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
2
0
0
0
2
2
4
4
6
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
9
14
40
42
52
63
48
37
26
26
31
43
34
36
29
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
4
4
3
2
2
3
4
4
5
5
6
5
6
7
7
6
7
8
8
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
59
73
78
77
77
75
75
77
78
81
81
88
98
96
98
94
93
89
88
86
82
78
74

Pressure (mb)

1017
1018
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1011
1010
1010
1010

Ozone (du)

301
302
302
304
304
304
306
307
308
310
313
315
317
318
319
319
320
321
322
322
324
322
321
318

Sunday 23

Waxing Crescent 11%

11:31

18:57

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

Sun - Rise: 07:28, Set: 16:42, Transit: 12:05. Moon - Rise: 11:31, Set: 18:57. Civil Dark: 17:14 - 06:56. Nautical Dark: 17:50 - 06:20. Astro Dark: 18:25 - 05:45

Total Clouds (% Sky Obscured)

90
92
94
96
87
78
69
66
34
34
32
34
32
22
13
1
22
42
63
62
61
57
33
23

Low Clouds (% Sky Obscured)

84
88
91
93
87
78
69
66
30
31
32
34
32
22
12
1
9
17
24
30
37
44
32
18

Medium Clouds (% Sky Obscured)

14
13
13
12
8
5
0
0
0
0
0
0
0
0
0
0
14
27
39
37
33
32
23
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
0
0
0
0
1
0
4
0
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 (%)

40
37
27
11
12
13
8
8
5
0
1
1
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)

11
10
9
10
9
9
8
8
7
6
6
5
4
4
4
4
3
2
2
3
3
5
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
78
79
79
76
82
80
77
83
88
88
91
92
94
92
92
91
80
70
67
62
59
58

Pressure (mb)

1011
1012
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

315
314
314
316
317
318
317
318
318
316
312
309
306
305
303
301
300
300
299
297
297
296
295
291

Monday 24

Waxing Crescent 18%

12:03

20:02

15 Good
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

Sun - Rise: 07:30, Set: 16:41, Transit: 12:05. Moon - Rise: 12:03, Set: 20:02. Civil Dark: 17:13 - 06:57. Nautical Dark: 17:50 - 06:21. Astro Dark: 18:25 - 05:46

Total Clouds (% Sky Obscured)

14
69
75
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
5
2
0
0
0
1
1
0
0
12
24
32
36
66
73
67
60
55
71
86
100
100
100

Medium Clouds (% Sky Obscured)

7
5
3
2
50
78
100
86
99
92
99
99
100
96
100
100
100
100
100
99
99
98
96
94

High Clouds (% Sky Obscured)

1
42
52
73
81
91
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
99
68
36

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
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
14
19
23
42
44
46
58
73
89
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.8
1

Wind Speed/Direction (mph)

3
2
2
2
3
4
5
5
5
6
7
7
8
8
8
9
10
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
2
2
-0
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

64
74
82
85
85
83
85
86
85
83
83
80
80
80
82
82
80
76
73
71
73
75
77
82

Pressure (mb)

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

Ozone (du)

290
288
287
285
284
285
288
291
293
296
298
300
305
307
309
311
312
310
307
305
302
299
296
294

Tuesday 25

Waxing Crescent 27%

12:29

21:11

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:31, Set: 16:40, Transit: 12:05. Moon - Rise: 12:29, Set: 21:11. Civil Dark: 17:13 - 06:58. Nautical Dark: 17:49 - 06:22. Astro Dark: 18:24 - 05:47

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
96
92

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
95
97
98
100
100
100
100
100
100
100
95
90

Medium Clouds (% Sky Obscured)

93
96
98
100
90
79
67
47
33
21
25
32
44
44
52
70
77
83
85
85
90
90
79
66

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
4
12
21
26
29
32
51
70
81
87
94
100
88
70

ISS Passover

Visibility (miles)

5
3
4
5
5
5
5
4
3
1
0
1
1
2
4
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
86
76
60
43
24
18
11
3
9
14
21
49
67
82
95
95
95
95
95

Precipitation Amount (mm)

1.2
1.1
1
0.7
0.6
0.6
0.5
0.3
0
0
0
0
0
0
0
0
0
0.3
0.3
1.2
1.9
2.2
1.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
91
93
93
96
96
96
98
98
98
100
98
100
98
98
98
98
98
96
98
98
98
98
96

Pressure (mb)

1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1010
1010
1009
1009
1008

Ozone (du)

293
292
292
292
292
293
295
296
296
295
295
295
295
295
295
295
295
295
296
297
296
295
294
294

Wednesday 26

Waxing Crescent 36%

12:51

22:22

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
12 Bad

Sun - Rise: 07:32, Set: 16:40, Transit: 12:06. Moon - Rise: 12:51, Set: 22:22. Civil Dark: 17:12 - 06:59. Nautical Dark: 17:49 - 06:23. Astro Dark: 18:24 - 05:48

Total Clouds (% Sky Obscured)

88
95
98
100
99
98
96
95
96
96
97
98
98
99
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

84
86
91
97
91
87
81
81
81
82
78
77
77
82
88
94
91
90
88
88
87
86

Medium Clouds (% Sky Obscured)

56
61
64
66
60
53
46
52
59
70
76
81
87
82
77
71
77
89
100
82
66
51

High Clouds (% Sky Obscured)

55
55
50
55
58
67
58
67
72
65
60
50
50
29
13
9
13
16
25
4
4
7

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
0
3
6
9
6
3
0
3
6
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
0

Precipitation Type

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

Precipitation Probability (%)

76
61
44
29
33
41
54
68
71
60
52
38
25
33
35
36
39
41
42
45
46
48

Precipitation Amount (mm)

0.4
0.3
0
0
0
0
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.1
0.1

Wind Speed/Direction (mph)

5
5
6
7
8
8
8
9
7
7
9
9
9
9
9
9
9
9
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
98
96
93
91
91
94
94
88
80
73
72
68
65
64
65

Pressure (mb)

1008
1007
1007
1007
1007
1007
1006
1005
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

295
295
298
300
302
304
306
308
310
312
315
321
327
333
337
341
345
347
349
351
350
349

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 20/11/25 15:36:54. Forecast: 20/11/25 to 26/11/25. Timezone: UTC-5.00