Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 48%

03:10

11:44

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:16, Set: 19:34, Transit: 12:55. Moon - Rise: 03:10, Set: 11:44. Civil Dark: 20:04 - 05:46. Nautical Dark: 20:41 - 05:09. Astro Dark: 21:18 - 04:30

Total Clouds (% Sky Obscured)

63
70
75
60
73
73
82
75
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
63
28
30
57
62
75
66
67
67
70
72
70
81
90
85
77
72
78
94
91
94
91
98

Medium Clouds (% Sky Obscured)

43
41
14
29
36
32
30
3
0
70
58
90
100
92
100
100
100
100
100
100
100
100
100
52

High Clouds (% Sky Obscured)

10
37
73
36
9
7
7
3
73
100
100
100
100
100
100
100
100
100
100
85
85
85
80
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
9
9
9
2
2
3
3
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
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
0
2
4
5
7
1
1
2
3
2
2
17
95
95
47
33
56
95
95
95
95
95
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1.2
0.8
0
0
0
1.7
1.7
2.1
1.3
1
0.4

Wind Speed/Direction (mph)

16
14
11
10
9
8
6
6
7
7
7
6
4
3
3
3
2
3
6
7
6
5
5
5

Chance of Frost

Temperature (°C)

12
12
11
8
7
7
6
6
5
5
5
6
7
7
7
7
7
7
7
6
6
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
71
68
70
75
79
86
86
86
85
85
85
81
85
91
91
88
88
90
94
96
98
96
96

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

367
366
365
365
366
364
365
362
357
355
347
340
338
335
336
339
341
341
343
342
346
345
344
348

Friday 10

Third Quarter 38%

03:40

12:53

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

Sun - Rise: 06:14, Set: 19:35, Transit: 12:55. Moon - Rise: 03:40, Set: 12:53. Civil Dark: 20:05 - 05:44. Nautical Dark: 20:42 - 05:07. Astro Dark: 21:19 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
97
98
96
96
94
89
65
25
17
10
58
81
84
82
81
83
94
68
35
5
30

Low Clouds (% Sky Obscured)

100
95
88
72
80
73
79
82
62
53
25
17
10
33
40
49
43
45
47
57
48
35
1
6

Medium Clouds (% Sky Obscured)

45
50
48
35
40
36
39
36
15
6
0
0
0
0
0
0
0
0
0
19
0
0
0
11

High 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

ISS Passover

Visibility (miles)

6
0
0
0
4
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
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 (%)

74
39
31
9
7
5
4
4
1
10
2
1
2
3
0
9
1
0
0
0
1
1
0
0

Precipitation Amount (mm)

0.3
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
7
9
10
10
10
10
9
9
9
11
12
12
13
14
14
14
14
13
13
12
11
8
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
86
83
82
85
88
86
80
71
64
58
53
53
52
51
48
50
55
58
68

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1022
1022
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028

Ozone (du)

349
355
361
370
388
386
387
389
388
393
392
395
399
405
403
395
390
386
384
378
378
378
381
382

Saturday 11

Waning Crescent 28%

04:06

14:04

21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:12, Set: 19:36, Transit: 12:54. Moon - Rise: 04:06, Set: 14:04. Civil Dark: 20:07 - 05:42. Nautical Dark: 20:44 - 05:05. Astro Dark: 21:21 - 04:26

Total Clouds (% Sky Obscured)

19
24
18
3
6
8
9
12
46
49
87
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
9
1
1
1
2
2
1
10
14
11
0
0
0
0
25
67
69
80
95
92
69
87
88

Medium Clouds (% Sky Obscured)

17
22
15
0
0
0
0
0
0
0
12
39
40
40
45
61
73
100
100
98
93
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
9
46
49
80
100
100
100
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
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
31
42
56
65
83
86
93
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
0.4
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
82
83
84
84
86
88
87
87
81
72
65
59
56
54
53
52
51
56
64
69
72
78

Pressure (mb)

1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1029
1029
1028
1026
1025
1024
1023
1023
1021

Ozone (du)

381
382
383
380
375
371
368
369
372
375
376
376
377
376
375
376
375
373
370
370
369
363
354
350

Sunday 12

Waning Crescent 19%

04:27

15:16

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:11, Set: 19:38, Transit: 12:54. Moon - Rise: 04:27, Set: 15:16. Civil Dark: 20:08 - 05:40. Nautical Dark: 20:45 - 05:03. Astro Dark: 21:23 - 04:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
99
96
99
100
100
100

Low Clouds (% Sky Obscured)

90
92
92
92
91
90
91
92
95
99
99
98
97
96
95
94
96
73
93
90
95
97
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
100
100
100
100
95
29
28
27
42
38
50
54
48
37
35

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
74
85
91
82
89
86
89
97
95
64

ISS Passover

Visibility (miles)

9
4
3
1
2
2
2
0
2
3
3
3
5
2
5
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
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
75
63
47
59
58
40
45
56
62
58

Precipitation Amount (mm)

1.1
2.1
3.6
5.9
3.5
2.2
1.2
0.9
1.7
1
1.4
0.6
1.2
0.7
0.3
0.2
0
0.2
0.2
0
0
0
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
7
7
7
8
10
12
12
13
15
16
16
16
16
18
18
18
17
17
16

Feels Like (°C)

1
0
0
-0
0
0
0
1
3
7
10
10
11
13
14
14
14
15
16
16
15
15
14
13

Dew Point (°C)

4
5
5
5
5
6
6
7
8
9
11
11
12
13
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

85
91
93
94
93
94
94
96
96
93
92
95
92
92
89
87
87
89
77
79
81
82
82
83

Pressure (mb)

1020
1019
1017
1015
1014
1012
1011
1010
1009
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1008

Ozone (du)

347
343
342
342
340
337
334
330
329
328
326
329
329
332
338
336
332
333
334
336
333
330
330
332

Monday 13

Waning Crescent 11%

04:47

16:30

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:09, Set: 19:39, Transit: 12:54. Moon - Rise: 04:47, Set: 16:30. Civil Dark: 20:09 - 05:38. Nautical Dark: 20:47 - 05:01. Astro Dark: 21:25 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
97
68
69
79
87
100
100
100
100
100
100
99
97
98
98
96

Low Clouds (% Sky Obscured)

100
100
99
98
97
98
99
91
97
68
69
79
84
79
83
79
76
72
70
70
80
90
98
95

Medium Clouds (% Sky Obscured)

25
19
18
13
14
23
26
33
26
18
6
15
26
40
60
83
100
89
77
67
60
54
46
34

High Clouds (% Sky Obscured)

39
10
6
2
2
23
5
6
15
18
13
32
48
68
78
89
100
90
79
69
46
25
4
6

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

60
54
46
45
52
52
39
15
10
6
1
8
11
11
21
29
35
68
89
95
95
89
64
49

Precipitation Amount (mm)

0.3
0.2
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.7
0.6
0.3
0

Wind Speed/Direction (mph)

10
9
8
8
9
9
8
7
6
5
5
5
4
4
4
5
7
9
5
4
7
6
8
10

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
13
12
12
11
10
10
10
10
10
11
12
14
16
17
19
17
16
14

Feels Like (°C)

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

Dew Point (°C)

13
14
13
13
12
12
12
11
10
10
9
8
8
8
9
9
10
12
13
14
16
14
13
12

Relative Humidity (%)

85
87
87
87
87
90
92
90
92
91
93
87
87
87
88
87
87
87
86
82
80
82
83
84

Pressure (mb)

1008
1009
1009
1010
1011
1011
1012
1013
1013
1014
1014
1015
1014
1014
1014
1012
1010
1009
1008
1007
1007
1008
1009
1011

Ozone (du)

333
332
333
329
329
327
322
324
324
325
325
326
325
325
324
324
325
325
325
325
325
325
325
326

Tuesday 14

Waning Crescent 5%

05:06

17:45

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
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:07, Set: 19:40, Transit: 12:54. Moon - Rise: 05:06, Set: 17:45. Civil Dark: 20:11 - 05:37. Nautical Dark: 20:48 - 04:59. Astro Dark: 21:26 - 04:19

Total Clouds (% Sky Obscured)

94
89
90
92
95
96
98
99
99
100
100
100
100
100
100
100
100
100
100
99
100
100
100
85

Low Clouds (% Sky Obscured)

90
85
86
87
87
91
95
97
96
94
92
92
89
80
66
52
37
28
18
15
36
56
67
47

Medium Clouds (% Sky Obscured)

17
0
0
0
0
3
6
13
25
38
50
59
72
83
91
95
100
97
93
90
90
88
85
62

High Clouds (% Sky Obscured)

7
9
27
44
53
49
28
21
23
7
8
39
69
100
80
61
44
52
55
59
48
37
32
52

ISS Passover

Visibility (miles)

5
3
0
2
5
7
7
8
9
7
5
3
3
4
5
6
7
9
7
6
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

48
38
28
21
5
6
5
0
14
32
55
68
81
73
52
41
42
55
68
76
87
86
77
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.4
0
0
0
0.2
0.3
0.4
0.6
0.6
0.5
0

Wind Speed/Direction (mph)

8
6
7
6
5
5
4
4
4
4
5
6
7
9
10
10
11
11
10
10
11
12
13
14

Chance of Frost

Temperature (°C)

13
11
9
9
8
8
8
8
7
8
8
9
10
11
12
14
16
19
20
20
21
21
21
19

Feels Like (°C)

14
13
12
11
10
9
7
7
6
6
6
6
8
7
7
7
8
9
20
19
19
20
21
21

Dew Point (°C)

12
10
8
8
7
7
7
7
6
7
8
8
9
10
11
12
13
14
15
15
15
16
15
14

Relative Humidity (%)

89
91
96
95
93
91
91
91
91
95
95
96
95
95
93
86
79
73
72
71
69
70
70
71

Pressure (mb)

1012
1013
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1014
1014
1013
1011
1010
1009
1008
1007
1007
1006
1006

Ozone (du)

325
325
324
323
322
321
319
318
317
315
314
312
311
311
310
307
304
300
300
300
300
303
306
309

Wednesday 15

Waning Crescent 1%

05:25

19:04

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:05, Set: 19:41, Transit: 12:53. Moon - Rise: 05:25, Set: 19:04. Civil Dark: 20:12 - 05:35. Nautical Dark: 20:50 - 04:57. Astro Dark: 21:28 - 04:17

Total Clouds (% Sky Obscured)

76
82
61
59
62
47
32
25
64
83
93
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

28
9
13
18
14
11
7
3
19
36
53
61
66
71
68
68
62

Medium Clouds (% Sky Obscured)

49
46
22
9
2
2
1
0
4
18
30
35
35
40
20
7
0

High Clouds (% Sky Obscured)

67
65
59
50
46
47
32
25
45
10
5
0
5
5
5
5
5

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

33
17
34
39
28
19
23
17
48
63
68
61
47
21
16
11
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
16
14
12
11
9
8
8
8
8
8
9
9
10
11

Feels Like (°C)

17
16
16
15
16
15
8
7
7
7
6
6
4
3
4
4
5

Dew Point (°C)

14
14
14
12
10
8
7
7
6
5
5
4
4
4
4
5
5

Relative Humidity (%)

72
75
76
77
75
76
78
82
85
82
79
78
75
73
70
71
69

Pressure (mb)

1006
1006
1006
1006
1006
1007
1008
1009
1009
1010
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

312
314
316
322
327
333
335
338
341
344
346
349
348
347
347
345
344

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 09/04/26 21:04:54. Forecast: 09/04/26 to 15/04/26. Timezone: UTC-4.00