Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 1%

08:45

16:44

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:43, Set: 16:26, Transit: 12:04. Moon - Rise: 08:45, Set: 16:44. Civil Dark: 17:00 - 07:09. Nautical Dark: 17:38 - 06:31. Astro Dark: 18:14 - 05:55

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
95
98
99
100
100
100

Low Clouds (% Sky Obscured)

100
97
97
98
100
100
100
100
100
100
100
100
100
100
100
93
91
98
91
97
83
60
38
49

Medium Clouds (% Sky Obscured)

51
92
98
100
100
100
100
100
100
100
100
99
98
64
46
57
55
31
25
19
26
3
0
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
65
66
4
2
2
99
100
100
100

ISS Passover

Visibility (miles)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
9

Fog (%)

1
48
49
30
34
33
43
1
41
35
33
25
55
54
76
16
16
0
0
0
0
0
52
47

Precipitation Type

None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
0
0
95
95
95
95
95
95
95
95
95
95
95
86
75
70
58
51
47
31
33
16
11

Precipitation Amount (mm)

0
0
0
1.1
1.5
1.7
1.2
1.2
1.3
1.4
1.9
1.6
1.7
1.1
0.8
0.5
0.4
0.3
0.2
0.1
0
0
0
0

Wind Speed/Direction (mph)

34
32
31
33
33
32
30
31
30
30
29
28
27
27
27
24
24
23
22
20
19
18
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
92
94
98
100
98
100
98
98
98
98
100
98
100
98
100
100
100
100
98
98
98
96
94

Pressure (mb)

1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1016
1017
1017
1016

Ozone (du)

366
365
363
363
363
362
361
360
358
356
356
354
350
352
356
358
354
352
353
351
347
347
346
345

Saturday 20

Waxing Crescent 3%

09:27

17:49

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:43, Set: 16:26, Transit: 12:05. Moon - Rise: 09:27, Set: 17:49. Civil Dark: 17:00 - 07:09. Nautical Dark: 17:38 - 06:32. Astro Dark: 18:14 - 05:56

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)

51
48
2
55
61
66
83
98
82
67
58
58
73
88
96
99
91
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

71
93
100
100
99
76
75
97
90
78
85
86
69
71
90
100
38
30
30
30
30
60
98
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
100
54
55
54
10
25
60
65
65
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
8
9
9
8
0
0
0
0
0
0
0
0
0

Fog (%)

55
43
49
63
71
43
27
37
58
40
20
10
3
0
0
0
0
0
0
0
0
0
0
28

Precipitation Type

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

Precipitation Probability (%)

6
3
2
4
13
15
8
7
17
9
10
8
7
12
23
75
71
65
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.5
0.4
1.1
1
1.1
1.6
1
1.4

Wind Speed/Direction (mph)

11
9
10
12
12
11
9
7
7
7
6
7
7
9
9
10
14
12
14
18
18
18
20
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
94
92
92
94
92
92
94
96
94
94
94
100
100
100
100
100
98
100
100
98
100

Pressure (mb)

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

Ozone (du)

345
345
346
345
343
340
342
342
340
339
338
336
333
332
334
335
335
336
340
341
344
344
344
344

Sunday 21

Waxing Crescent 8%

09:59

18:58

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:44, Set: 16:27, Transit: 12:05. Moon - Rise: 09:59, Set: 18:58. Civil Dark: 17:01 - 07:10. Nautical Dark: 17:39 - 06:32. Astro Dark: 18:15 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
96
100
98
98
100
100
99
100
88
73
94
92
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
97
100
100
91
100
94
93
94
97
99
98
81
66
90
88
97
94
93
81
79
78
78
70

Medium Clouds (% Sky Obscured)

90
97
100
78
86
81
95
94
77
92
52
55
50
27
47
60
73
70
53
68
63
59
52
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
70
70
75
75
75
75
75
80

ISS Passover

Visibility (miles)

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

Fog (%)

60
28
32
25
42
30
37
61
68
26
29
41
59
31
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
84
82
70
80
88
74
66
55
37
47
40
42
40
58
75
62
66
60

Precipitation Amount (mm)

0.7
2.2
1.3
3.1
2.3
1.3
0.7
0.7
0.3
0.4
0.6
0.6
0.4
0.2
0
0
0
0
0
0.3
0.5
0.3
0.4
0.2

Wind Speed/Direction (mph)

24
27
30
27
22
21
24
24
25
23
24
22
21
20
19
22
23
23
24
24
25
26
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
98
100
100
98
100
100
98
100
94
96
98
100
98
96
96
100
98
98
98
100

Pressure (mb)

1009
1009
1009
1010
1010
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

346
345
347
346
340
341
340
343
345
346
347
349
349
349
349
348
348
349
349
348
348
347
347
346

Monday 22

Waxing Crescent 14%

10:26

No Set

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:44, Set: 16:28, Transit: 12:06. Moon - Rise: 10:26, Set: No Set. Civil Dark: 17:02 - 07:10. Nautical Dark: 17:39 - 06:33. Astro Dark: 18:15 - 05:57

Total Clouds (% Sky Obscured)

100
100
99
95
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
58
67
71
82
88
94
100
98
97
96
88
79
71
59
45
25
34
47
55
68
82
93
83

Medium Clouds (% Sky Obscured)

66
60
21
16
80
70
71
67
72
81
62
95
84
99
64
55
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

80
85
79
73
68
73
79
85
80
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

66
55
56
71
78
95
90
87
84
67
57
63
50
34
32
24
14
6
2
3
25
35
41
67

Precipitation Amount (mm)

0.3
0.2
0
0.2
0.4
0.7
0.8
0.8
0.7
0.4
0.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

25
25
26
25
24
25
23
20
19
18
15
13
12
13
11
11
11
13
13
13
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
98
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
98
98
98

Pressure (mb)

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

Ozone (du)

342
336
332
328
326
325
326
326
329
331
329
326
323
320
320
322
322
320
320
319
320
322
324
323

Tuesday 23

Waxing Crescent 22%

10:48

20:09

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:44, Set: 16:28, Transit: 12:06. Moon - Rise: 10:48, Set: 20:09. Civil Dark: 17:02 - 07:10. Nautical Dark: 17:40 - 06:33. Astro Dark: 18:16 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
78
77
85
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
57
54
74
97
98
99
100
100
100
100
87
87
85
70
71
73
66
66
56
56
57
54
56

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
96
93
89
76
78
77
85
92
97
97
98
99
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
70
40
10
25
15
20
43
72
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

84
95
92
93
95
95
95
95
95
95
95
95
80
49
36
24
14
24
27
19
40
46
43
49

Precipitation Amount (mm)

0.4
0.5
0.5
0.5
0.5
0.7
0.9
1.5
1.1
0.9
1.2
1
0.6
0.2
0.2
0
0
0
0
0
0.1
0.1
0.1
0.1

Wind Speed/Direction (mph)

10
9
10
8
7
4
1
5
10
10
11
12
12
13
14
12
10
9
8
8
10
6
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
98
98
100
100
100
100
100
100
98
98
98
98
100
100
100
98
100
100
98

Pressure (mb)

1003
1002
1001
1000
999
998
998
999
999
999
1000
1001
1002
1003
1004
1005
1004
1004
1003
1003
1002
1002
1002
1001

Ozone (du)

323
325
328
330
332
337
343
344
343
347
346
347
349
352
351
351
351
351
352
354
356
359
363
366

Wednesday 24

Waxing Crescent 32%

11:07

21:20

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:45, Set: 16:29, Transit: 12:07. Moon - Rise: 11:07, Set: 21:20. Civil Dark: 17:03 - 07:11. Nautical Dark: 17:40 - 06:33. Astro Dark: 18:16 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
89
81
87
94
100
100
100
100
100
100
100
100
100
100
99
99
99
98

Low Clouds (% Sky Obscured)

58
60
73
87
100
96
89
81
87
88
85
83
74
71
72
80
88
90
93
96
96
95
95
92

Medium Clouds (% Sky Obscured)

99
100
98
96
93
66
36
3
24
44
64
76
88
100
100
100
100
98
97
100
99
99
99
70

High Clouds (% Sky Obscured)

100
100
100
100
100
69
39
11
37
64
85
71
62
63
46
29
14
16
14
13
23
40
55
60

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
Snow
Snow

Precipitation Probability (%)

56
63
71
81
89
94
95
94
87
81
75
64
56
53
47
35
12
12
12
16
22
30
37
36

Precipitation Amount (mm)

0.2
0.2
0.4
0.6
0.8
0.8
0.7
0.5
0.5
0.5
0.5
0.3
0.2
0.3
0.1
0
0
0
0
0
0
0
0.1
0.1

Wind Speed/Direction (mph)

5
8
10
11
13
14
10
7
9
13
19
25
26
28
30
29
29
29
26
23
21
17
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-7
-7
-6
-8
-6
-4
-2
-6
-7
-7
-8
-9
-11
-5
-6
-7
-7
-6
-6
-7
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
100
100
100
98
98
96
96
96
96
98
98
98
100
100
100
98
100
98
98
100
100

Pressure (mb)

1001
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1006
1007
1007
1008

Ozone (du)

370
374
378
381
385
389
388
388
387
386
386
385
385
384
384
388
392
396
395
395
395
393
391
389

Thursday 25

Waxing Crescent 42%

11:25

22:32

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: 07:45, Set: 16:30, Transit: 12:07. Moon - Rise: 11:25, Set: 22:32. Civil Dark: 17:04 - 07:11. Nautical Dark: 17:41 - 06:34. Astro Dark: 18:17 - 05:58

Total Clouds (% Sky Obscured)

98
98
99
99
99
98
99
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
90
90
89
88
92
94
96
97
98
100
99
98
97
98
99
100
99
99
99

Medium Clouds (% Sky Obscured)

40
11
40
70
97
97
98
99
99
100
100
99
98
97
91
66
89
87
86
85

High Clouds (% Sky Obscured)

65
65
65
55
50
40
40
45
40
45
55
50
45
40
41
46
47
44
45
50

ISS Passover

Visibility (miles)

0
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
0
0
0
0

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

29
7
15
11
1
13
19
26
44
66
95
89
89
95
84
71
65
54
41
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.3
0.9
0.7
0.7
1.1
0.7
0.5
0.5
0.3
0.1
0

Wind Speed/Direction (mph)

10
9
8
6
3
2
3
4
6
8
11
14
13
13
12
11
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-8
-7
-8
-8
-7
-6
-7
-6
-5
-6
-6
-6
-5
-5
-5
-5
-3

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
98
98
98
100
100
100
98
100
100
98
100
100
100
100
98
100
100

Pressure (mb)

1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

390
391
391
389
387
384
383
382
381
380
379
378
381
383
386
386
387
387
386
384

Forecast for Parkdale, Hood River, United States of America (45.40,-121.65)

Generated: 19/12/25 20:33:20. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-8.00